Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Aegirine

Formula: NaFe³⁺Si₂O₆

Localities:

Landmannalaugar, Rangárþing ytra, Southern Region, Iceland
Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland
Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

Description: Deposited in vesicles from vapor phase.

ⓘ Aegirine-augite

Formula: (Na_aCa_bFe²⁺_cMg_d)(Fe³⁺_eAl_fFe²⁺_gMg_h)Si₂O₆

Localities:

Torfajökull Caldera, Rangárþing ytra, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland
Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Aenigmatite

Formula: Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]

Localities:

Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland
Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Albite

Formula: Na(AlSi₃O₈)

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Albite var. Andesine

Formula: (Na,Ca)[Al(Si,Al)Si₂O₈]

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Albite var. Anorthoclase

Formula: (Na,K)AlSi₃O₈

Locality: Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland

References:

Jørgensen, K. A. (1980). The Thorsmörk ignimbrite: an unusual comenditic pyroclastic flow in southern Iceland. Journal of Volcanology and Geothermal Research, 8(1), 7-22. doi.org/10.1016/0377-0273(80)90004-9

Jørgensen, Karl A. (1987) Mineralogy and petrology of alkaline granophyric xenoliths from the Thorsmörk ignimbrite, southern Iceland. Lithos, 20 (2) 153-168 doi:10.1016/0024-4937(87)90004-1

ⓘ 'Alkali Feldspar'

Localities:

ⓘ 'Allanite Group'

Formula: (A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Amicite

Formula: K₂Na₂Al₄Si₄O₁₆ · 5H₂O

Locality: Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

Jackson, M. D., Couper, S., Stan, C. V., Ivarsson, M., Czabaj, M. W., Tamura, N., ... & Moore, J. G. (2019). Authigenic mineral texture in submarine 1979 basalt drill core, Surtsey volcano, Iceland. Geochemistry, Geophysics, Geosystems, 20(7), 3751-3773.

ⓘ 'Amphibole Supergroup'

Formula: AB₂C₅(T₈O₂₂)W₂

Localities:

Torfajökull Caldera, Rangárþing ytra, Southern Region, Iceland
Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

ⓘ Analcime

Formula: Na(AlSi₂O₆) · H₂O

Localities:

Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Anatase

Formula: TiO₂

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

Balić-Žunić, T., Garavelli, A., Jakobsson, S. P., Jonasson, K., Katerinopoulos, A., Kyriakopoulos, K., & Acquafredda, P. (2016). Fumarolic minerals: An overview of active European volcanoes. In Updates in Volcanology-From Volcano Modelling To Volcano Geology. InTechOpen.

ⓘ Anhydrite

Formula: CaSO₄

Localities:

Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Anorthite

Formula: Ca(Al₂Si₂O₈)

Localities:

Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

ⓘ Anorthite var. Bytownite

Formula: (Ca,Na)[Al(Al,Si)Si₂O₈]

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Anorthite var. Labradorite

Formula: (Ca,Na)[Al(Al,Si)Si₂O₈]

Localities:

Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃A

Localities:

ⓘ Aphthitalite

Formula: K₃Na(SO₄)₂

Localities:

Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Magni crater, Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Arfvedsonite

Formula: NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂

Locality: Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland

References:

Jørgensen, Karl A. (1987) Mineralogy and petrology of alkaline granophyric xenoliths from the Thorsmörk ignimbrite, southern Iceland. Lithos, 20 (2) 153-168 doi:10.1016/0024-4937(87)90004-1

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

Localities:

Torfajökull Caldera, Rangárþing ytra, Southern Region, Iceland
Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland
Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Lakalandsgil, Sólheimajökull, Mýrdalshreppur, Southern Region, Iceland

ⓘ Augite var. Ferroaugite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

Localities:

Torfajökull Caldera, Rangárþing ytra, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

ⓘ Augite var. Ferrohedenbergite

Formula: (Ca,Mg,Fe)(Fe,Mg)Si₂O₆

Localities:

Torfajökull Caldera, Rangárþing ytra, Southern Region, Iceland
Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland

ⓘ Bassanite

Formula: Ca(SO₄) · 0.5H₂O

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

Mitolo, D., Garavelli, A., Pedersen, L., Balić-Žunić, T., Jakobsson, S.P., Vurro, F. (2008): Mineralogy of actually forming sublimates at Eldfell Volcano, Heimaey (Vestmannaeyjar archipelago), Iceland. Plinius, 34, 322.

ⓘ Belomarinaite

Formula: KNa(SO₄)

Locality: Magni crater, Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland

References:

Balić-Žunić, Tonči, Nestola, Fabrizio, Pamato, Martha G., Rasmussen, Maja B. (2024) Kristjánite, KNa₂H(SO₄)₂, a new fumarolic mineral from Iceland containing the [SO₄–H–SO₄]^3– anion in the crystal structure. Mineralogical Magazine, 88 (3). 211-217 doi:10.1180/mgm.2024.4

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

Localities:

Torfajökull Caldera, Rangárþing ytra, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

ⓘ Blödite

Formula: Na₂Mg(SO₄)₂ · 4H₂O

Locality: Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

Jakobsson, Sveinn P., Jónsson, Sigurður S., Leonardsen, E. (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report. Surtsey Research Progress Report, 10. 73-78

ⓘ Calcite

Formula: CaCO₃

Localities:

Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland
Hafrafell slopes (Svínafellsjökull area), Hafrafell massif, Hornafjörður, Southern Region, Iceland
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Carnallite

Formula: KMgCl₃ · 6H₂O

Locality: Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

Jakobsson, Sveinn P., Jónsson, Sigurður S., Leonardsen, E. (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report. Surtsey Research Progress Report, 10. 73-78

ⓘ 'Chabazite'

Localities:

Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Chalcopyrite

Formula: CuFeS₂

Locality: Össurá, Hornafjörður, Southern Region, Iceland

References:

Saemundsson, K., Gunnlaugsson, E. (2006) Icelandic Rocks and Minerals. Edda UK Ltd., 234 pages.

ⓘ Chessexite

Formula: (Na,K)₄Ca₂(Mg,Zn)₃Al₈(SO₄)₁₀(SiO₄)₂ · 40H₂O

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

ⓘ 'Chevkinite Group'

Locality: Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland

References:

Jørgensen, Karl A. (1987) Mineralogy and petrology of alkaline granophyric xenoliths from the Thorsmörk ignimbrite, southern Iceland. Lithos, 20 (2) 153-168 doi:10.1016/0024-4937(87)90004-1

ⓘ 'Chlorite Group'

Localities:

Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

ⓘ 'Chrome-Spinel (of Dana)'

Locality: Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

JAKOBSSON, SVEINN P., MOORE, JAMES G. (1986) Hydrothermal minerals and alteration rates at Surtsey volcano, Iceland. Geological Society of America Bulletin, 97 (5) 648 doi:10.1130/0016-7606(1986)97<648:hmaara>2.0.co;2

Woldegabriel, Giday, Aronson, James L., Walter, Robert C. (1990) Geology, geochronology, and rift basin development in the central sector of the Main Ethiopia Rift. Geological Society of America Bulletin, 102 (4) 439-458 doi:10.1130/0016-7606(1990)102<0439:ggarbd>2.3.co;2

ⓘ Corundum

Formula: Al₂O₃

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

ⓘ Covellite

Formula: CuS

Locality: Össurá, Hornafjörður, Southern Region, Iceland

References:

Saemundsson, K. & Gunnlaugsson, E. (2006): Icelandic rocks and minerals. Edda UK Ltd., 234 pp

ⓘ Cristobalite

Formula: SiO₂

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

Balić-Žunić, T., Garavelli, A., Mitolo, D., Nestola, F., Pamato, M. G., Rasmussen, M. B., Jølnæs, M. B. (2025) Heimaeyite, Na₃Al(SO₄)₃, a new mineral from the fumaroles on Eldfell volcano, Iceland. European Journal of Mineralogy, 37 (1). 79-89 doi:10.5194/ejm-37-79-2025

ⓘ Cryptohalite

Formula: (NH₄)₂[SiF₆]

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

ⓘ Diopside

Formula: CaMgSi₂O₆

Locality: Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland

References:

Jørgensen, Karl A. (1987) Mineralogy and petrology of alkaline granophyric xenoliths from the Thorsmörk ignimbrite, southern Iceland. Lithos, 20 (2) 153-168 doi:10.1016/0024-4937(87)90004-1

ⓘ Diopside var. Salite

Formula: CaMgSi₂O₆

Locality: Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland

References:

Jørgensen, Karl A. (1987) Mineralogy and petrology of alkaline granophyric xenoliths from the Thorsmörk ignimbrite, southern Iceland. Lithos, 20 (2) 153-168 doi:10.1016/0024-4937(87)90004-1

ⓘ Eldfellite (TL)

Formula: NaFe³⁺(SO₄)₂

Type Locality:

References:

Balić-Žunic, T., Garavelli, A., Acquafredda, P., Leonardsen, E., Jakobsson, S. P. (2009) Eldfellite, NaFe(SO₄)₂, a new fumarolic mineral from Eldfell volcano, Iceland. Mineralogical Magazine, 73 (1) 51-57 doi:10.1180/minmag.2009.073.1.51

ⓘ Epidote

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

Localities:

Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland
Hellisheiði geothermal field, Sveitarfélagið Ölfus, Southern Region, Iceland

ⓘ Fayalite

Formula: Fe²⁺₂(SiO₄)

Localities:

Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland
Vesterhorn Complex, Hornafjörður, Southern Region, Iceland

ⓘ 'Fayalite-Forsterite Series'

Locality: Torfajökull Caldera, Rangárþing ytra, Southern Region, Iceland

References:

MACDONALD, R., McGARVIE, D. W., PINKERTON, H., SMITH, R. L., PALACZ, A. (1990) Petrogenetic Evolution of the Torfaj kull Volcanic Complex, Iceland I. Relationship Between the Magma Types. Journal of Petrology, 31 (2) 429-459 doi:10.1093/petrology/31.2.429

Gunnarsson, Björn, Marsh, Bruce D., Taylor, Hugh P. (1998) Generation of Icelandic rhyolites: silicic lavas from the Torfajökull central volcano. Journal of Volcanology and Geothermal Research, 83 (1) 1-45 doi:10.1016/s0377-0273(98)00017-1

Martin, E., Sigmarsson, O. (2007) Crustal thermal state and origin of silicic magma in Iceland: the case of Torfajökull, Ljósufjöll and Snæfellsjökull volcanoes. Contributions to Mineralogy and Petrology, 153 (5) 593-605 doi:10.1007/s00410-006-0165-5

ⓘ 'Feldspar Group'

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Fluorite

Formula: CaF₂

Localities:

Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Galeite

Formula: Na₁₅(SO₄)₅F₄Cl

Localities:

ⓘ Galena

Formula: PbS

Locality: Össurá, Hornafjörður, Southern Region, Iceland

References:

Saemundsson, K. & Gunnlaugsson, E. (2006): Icelandic rocks and minerals. Edda UK Ltd., 234 pp

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ 'Glass'

Locality: Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

ⓘ Glauberite

Formula: Na₂Ca(SO₄)₂

Localities:

Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

Localities:

ⓘ Gyrolite

Formula: NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O

Locality: Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland

References:

Kristmannsdottir, H., Tomasson, J. (1978) Zeolite zones in geothermal areas in Iceland. In Natural Zeolites - Occurrence, Properties, Use. Pergamon Press, Oxford. p.277-284.

ⓘ Halite

Formula: NaCl

Localities:

ⓘ Hedenbergite

Formula: CaFe²⁺Si₂O₆

Localities:

Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland
Vesterhorn Complex, Hornafjörður, Southern Region, Iceland

ⓘ Heimaeyite (TL)

Formula: Na₃Al(SO₄)₃

Type Locality:

References:

Balić-Žunić, T, Garavelli,, Mitolo, D., Nestola, F., Nestola, F., Rasmussen, M. B. (2024) Heimaeyite, IMA 2023-127a, in IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 81. European Journal of Mineralogy, 36 (5). 917-923 doi:10.5194/ejm-36-917-2024

ⓘ Heklaite (TL)

Formula: KNaSiF₆

Type Locality:

References:

Garavelli, A., Balić-Žunić, T., Mitolo, D., Acquafredda, P., Leonardsen, E., Jakobsson, S. P. (2010) Heklaite, KNaSiF₆, a new fumarolic mineral from Hekla volcano, Iceland. Mineralogical Magazine, 74 (1) 147-157 doi:10.1180/minmag.2010.074.1.147

ⓘ Hematite

Formula: Fe₂O₃

Localities:

Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland

ⓘ 'Heulandite Subgroup'

Formula: (Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O

Localities:

Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland
Hafrafell slopes (Svínafellsjökull area), Hafrafell massif, Hornafjörður, Southern Region, Iceland

ⓘ Hexahydrite

Formula: Mg(H₂O)₆(SO₄)

Localities:

Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland

ⓘ Hieratite

Formula: K₂[SiF₆]

Locality: Hekla, Rangárþing ytra, Southern Region, Iceland

References:

ⓘ 'Hornblende Root Name Group'

Formula: ◻Ca₂(C²⁺₄C³⁺)(AlSi₇O₂₂)W₂

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

ⓘ Hydrokenoralstonite

Formula: Na_0.5(Al,Mg)₂(F,OH)₆ · H₂O

Localities:

Hekla, Rangárþing ytra, Southern Region, Iceland
Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ 'Hypersthene'

Formula: (Mg,Fe)SiO₃

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ 'Iddingsite'

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Locality: Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland

References:

Jørgensen, Karl A. (1987) Mineralogy and petrology of alkaline granophyric xenoliths from the Thorsmörk ignimbrite, southern Iceland. Lithos, 20 (2) 153-168 doi:10.1016/0024-4937(87)90004-1

ⓘ Ivsite

Formula: Na₃H(SO₄)₂

Locality: Magni crater, Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland

References:

ⓘ Jakobssonite (TL)

Formula: CaAlF₅

Localities:

Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Hekla, Rangárþing ytra, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland

Type Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Jarosite

Formula: KFe³⁺₃(SO₄)₂(OH)₆

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

ⓘ Kainite

Formula: KMg(SO₄)Cl · 3H₂O

Localities:

Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Kieserite

Formula: MgSO₄ · H₂O

Locality: Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

Jakobsson, Sveinn P., Jónsson, Sigurður S., Leonardsen, E. (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report. Surtsey Research Progress Report, 10. 73-78

ⓘ Koryakite

Formula: NaKMg₂Al₂(SO₄)₆

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

ⓘ Kristjánite (TL)

Formula: KNa₂H(SO₄)₂

Type Locality:

References:

Bosi, Ferdinando; Hatert, Frédéric; Pasero, Marco; Mills, Stuart J. (2023) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 73. European Journal of Mineralogy, 35 (3). 397-402 doi:10.5194/ejm-35-397-2023

ⓘ Kröhnkite

Formula: Na₂Cu(SO₄)₂ · 2H₂O

Localities:

Magni crater, Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland

ⓘ Langbeinite

Formula: K₂Mg₂(SO₄)₃

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

ⓘ Laumontite

Formula: CaAl₂Si₄O₁₂ · 4H₂O

Localities:

Hafrafell slopes (Svínafellsjökull area), Hafrafell massif, Hornafjörður, Southern Region, Iceland
Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

ⓘ Leonardsenite (TL)

Formula: MgAlF₅ · 2H₂O

Localities:

Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Hekla, Rangárþing ytra, Southern Region, Iceland

Type Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ 'Limonite'

Locality: Össurá, Hornafjörður, Southern Region, Iceland

References:

Saemundsson, K. & Gunnlaugsson, E. (2006): Icelandic rocks and minerals. Edda UK Ltd., 234 pp

ⓘ Löweite

Formula: Na₁₂Mg₇(SO₄)₁₃ · 15H₂O

Localities:

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Localities:

Torfajökull Caldera, Rangárþing ytra, Southern Region, Iceland
Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland
Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

ⓘ Magnetite var. Titanium-bearing Magnetite

Formula: Fe²⁺(Fe³⁺,Ti)₂O₄

Locality: Torfajökull Caldera, Rangárþing ytra, Southern Region, Iceland

References:

ⓘ Malachite

Formula: Cu₂(CO₃)(OH)₂

Locality: Össurá, Hornafjörður, Southern Region, Iceland

References:

Saemundsson, K. & Gunnlaugsson, E. (2006): Icelandic rocks and minerals. Edda UK Ltd., 234 pp

ⓘ Malladrite

Formula: Na₂[SiF₆]

Locality: Hekla, Rangárþing ytra, Southern Region, Iceland

References:

ⓘ Meniaylovite

Formula: Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O

Localities:

Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland

ⓘ Mercallite

Formula: KHSO₄

Locality: Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland

References:

ⓘ Mesolite

Formula: Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Metathénardite

Formula: Na₂SO₄

Localities:

Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Magni crater, Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland

ⓘ 'Microperthite'

Locality: Torfajökull Caldera, Rangárþing ytra, Southern Region, Iceland

References:

ⓘ Mordenite

Formula: (Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O

Locality: Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland

References:

Kristmannsdottir, H., Tomasson, J. (1978) Zeolite zones in geothermal areas in Iceland. In Natural Zeolites - Occurrence, Properties, Use. Pergamon Press, Oxford. p.277-284.

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Muscovite var. Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Native Sulphur

Formula: S₈

Localities:

Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland
Vonarskarð, Ásahreppur, Southern Region, Iceland
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

Locality: Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

Jakobsson, S. P. (1979). Petrology of recent basalts of the Eastern Volcanic Zone, Iceland. Acta Naturalia Islandica, 26, 1-103.

ⓘ Nontronite

Formula: Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O

Locality: Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

ⓘ 'Olivine Group'

Formula: M₂SiO₄

Localities:

Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Lakalandsgil, Sólheimajökull, Mýrdalshreppur, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland
Ásólfsstaðir farm, Skeiða- og Gnúpverjahreppur, Southern Region, Iceland
Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Opal

Formula: SiO₂ · nH₂O

Localities:

Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Geysir, Haukadalur geothermal area, Bláskógabyggð, Southern Region, Iceland
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Opal var. Opal-CT

Formula: SiO₂ · nH₂O

Locality: Geysir, Haukadalur geothermal area, Bláskógabyggð, Southern Region, Iceland

References:

JONES, BRIAN, RENAUT, ROBIN W. (2007) Microstructural changes accompanying the opal-A to opal-CT transition: new evidence from the siliceous sinters of Geysir, Haukadalur, Iceland. Sedimentology, 54 (4). 921-948 doi:10.1111/j.1365-3091.2007.00866.x

ⓘ Oskarssonite (TL)

Formula: AlF₃

Localities:

Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Hekla, Rangárþing ytra, Southern Region, Iceland

Type Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ 'Palagonite'

Locality: Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

ⓘ Pentahydrite

Formula: MgSO₄ · 5H₂O

Locality: Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland

References:

ⓘ 'Phillipsite Subgroup'

Formula: (Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O

Localities:

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

Localities:

Torfajökull Caldera, Rangárþing ytra, Southern Region, Iceland
Lakalandsgil, Sólheimajökull, Mýrdalshreppur, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland
Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Prehnite

Formula: Ca₂Al₂Si₃O₁₀(OH)₂

Localities:

Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

ⓘ 'Pumpellyite Subgroup'

Formula: Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A

Locality: Hveragerði geothermal field, Hveragerðisbær, Southern Region, Iceland

References:

Bird, Dennis K., Schiffman, Peter, Elders, Wilfred A., Williams, Alan E., McDowell, S. Douglas (1984) Calc-silicate mineralization in active geothermal systems. Economic Geology, 79 (4) 671-695 doi:10.2113/gsecongeo.79.4.671

ⓘ Pyrite

Formula: FeS₂

Localities:

Össurá, Hornafjörður, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

ⓘ 'Pyrochlore Group'

Formula: A₂Nb₂(O,OH)₆Z

Locality: Thorsmörk extrusive occurrence, Rangárþing eystra, Southern Region, Iceland

References:

Jørgensen, Karl A. (1987) Mineralogy and petrology of alkaline granophyric xenoliths from the Thorsmörk ignimbrite, southern Iceland. Lithos, 20 (2) 153-168 doi:10.1016/0024-4937(87)90004-1

ⓘ 'Pyroxene Group'

Formula: ADSi₂O₆

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Quartz

Formula: SiO₂

Localities:

Össurá, Hornafjörður, Southern Region, Iceland
Torfajökull Caldera, Rangárþing ytra, Southern Region, Iceland
Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland
Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland
Hellisheiði geothermal field, Sveitarfélagið Ölfus, Southern Region, Iceland

ⓘ Reyerite

Formula: (Na,K)₂Ca₁₄(Si,Al)₂₄O₅₈(OH)₈ · 6H₂O

Locality: Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland

References:

Kristmannsdottir, H., Tomasson, J. (1978) Zeolite zones in geothermal areas in Iceland. In Natural Zeolites - Occurrence, Properties, Use. Pergamon Press, Oxford. p.277-284.

ⓘ Riebeckite

Formula: ◻Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂

Locality: Torfajökull Caldera, Rangárþing ytra, Southern Region, Iceland

References:

ⓘ Rosasite

Formula: (Cu,Zn)₂(CO₃)(OH)₂

Locality: Össurá, Hornafjörður, Southern Region, Iceland

References:

Saemundsson, K. & Gunnlaugsson, E. (2006): Icelandic rocks and minerals. Edda UK Ltd., 234 pp

ⓘ Rosenbergite

Formula: AlF[F_0.5(H₂O)_0.5]₄ · H₂O

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

Jacobsen, M. J., Balić -Žunić, T., Mitolo, D., Katerinopoulou, A., Garavelli, A., Jakobsson, S. P. (2014) Oskarssonite, AlF₃, a new fumarolic mineral from Eldfell volcano, Heimaey, Iceland. Mineralogical Magazine, 78 (1) 215-222 doi:10.1180/minmag.2014.078.1.15 p.221

ⓘ Salammoniac

Formula: NH₄Cl

Localities:

Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Hekla, Rangárþing ytra, Southern Region, Iceland

ⓘ Saponite

Formula: Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Saponite var. Bowlingite

Formula: Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Scolecite

Formula: CaAl₂Si₃O₁₀ · 3H₂O

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ 'Smectite Group'

Formula: A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O

Localities:

Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ 'Snottite'

Locality: Seljalandsfoss, Rangárþing eystra, Southern Region, Iceland

References:

www.strahlen.org (n.d.) http://www.strahlen.org/forum/index.php/topic,1871.msg93019/topicseen.html#new

ⓘ Sphalerite

Formula: ZnS

Locality: Össurá, Hornafjörður, Southern Region, Iceland

References:

Saemundsson, K. & Gunnlaugsson, E. (2006): Icelandic rocks and minerals. Edda UK Ltd., 234 pp

ⓘ 'Stilbite Subgroup'

Formula: M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O

Localities:

Hafrafell slopes (Svínafellsjökull area), Hafrafell massif, Hornafjörður, Southern Region, Iceland
Skaftafell National Park, Hornafjörður, Southern Region, Iceland
Hafrafell massif, Hornafjörður, Southern Region, Iceland
Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland
Cliff exposures between Skaftafell and Hoffell, Hornafjörður, Southern Region, Iceland

ⓘ Sylvite

Formula: KCl

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

ⓘ Tamarugite

Formula: NaAl(SO₄)₂ · 6H₂O

Localities:

Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland

ⓘ Thénardite

Formula: Na₂SO₄

Localities:

Unnamed borehole, Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Magni crater, Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Thomsenolite

Formula: NaCa[AlF₆] · H₂O

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

ⓘ Titanite

Formula: CaTiO(SiO₄)

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ Tobermorite

Formula: Ca₅Si₆O₁₇ · 5H₂O

Localities:

ⓘ Topsøeite (TL)

Formula: FeF[F_0.5(H₂O)_0.5]₄ · H₂O

Type Locality:

References:

Mineralogical Magazine, 81, 403–409.

Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2017) New minerals and nomenclature modifications approved in 2017. CNMNC Newsletter No 36. Mineralogical Magazine, 81 (2) 403-409 doi:10.1180/minmag.2017.081.022

Balić-Žunić, Tonči, Garavelli, Anna, Mitolo, Donatella (2018) Topsøeite, FeF₃(H₂O)₃, a new fumarolic mineral from the Hekla Volcano, Iceland. European Journal of Mineralogy, 30 (4) 841-848 doi:10.1127/ejm/2018/0030-2751

ⓘ Tremolite

Formula: ◻Ca₂Mg₅(Si₈O₂₂)(OH)₂

Locality: Austurhorn Intrusion, Hornafjörður, Southern Region, Iceland

References:

Blake, D. H. (1966) The Net-Veined Complex of the Austurhorn Intrusion, Southeastern Iceland. The Journal of Geology, 74 (6) 891-907 doi:10.1086/627218

ⓘ 'UM2008-29-F:CoFeHN' ?

Formula: (NH₄)(Fe,Co)₂F₆

Locality: Hekla, Rangárþing ytra, Southern Region, Iceland

References:

Fjölrit náttúrufræðistofnunar: 52: 1

ⓘ 'UM2008-31-F:FeHOSi' ?

Formula: FeSiF₆ · 6H₂O

Locality: Hekla, Rangárþing ytra, Southern Region, Iceland

References:

Fjölrit náttúrufræðistofnunar: 52: 1

ⓘ 'UM2008-49-SO:FeNa'

Formula: Na₃Fe(SO₄)₃

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

ⓘ 'UM2008-50-SO:HMgNa'

Formula: Na₂Mg₃(SO₄)₂(OH)₂ · 4H₂O

Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

References:

Fjölrit náttúrufræðistofnunar: 52: 1

ⓘ Vanthoffite

Formula: Na₆Mg(SO₄)₄

Localities:

Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Fimmvörðuháls eruption site, Rangárþing eystra, Southern Region, Iceland

ⓘ Verneite (TL)

Formula: Na₂Ca₃Al₂F₁₄

Localities:

Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland
Hekla, Rangárþing ytra, Southern Region, Iceland

Type Locality: Eldfell Volcano, Heimaey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Iceland

ⓘ Wairakite

Formula: Ca(Al₂Si₄O₁₂) · 2H₂O

Localities:

Nesjavellir geothermal field, Grímsnes- og Grafningshreppur, Southern Region, Iceland
Hellisheiði geothermal field, Sveitarfélagið Ölfus, Southern Region, Iceland

ⓘ Xonotlite

Formula: Ca₆(Si₆O₁₇)(OH)₂

Localities:

ⓘ 'Zeolite Group'

Locality: Hellisheiði geothermal field, Sveitarfélagið Ölfus, Southern Region, Iceland

References:

Franzson, H., Kristjánsson, B. R., Gunnarsson, G., Björnsson, G., Hjartarson, A., Steingrímsson, B., ... & Gíslason, G. (2005, April). The Hengill-Hellisheiði geothermal field. Development of a conceptual geothermal model. In Proceedings world geothermal congress (pp. 1-7). Antalya.

ⓘ Zircon

Formula: Zr(SiO₄)

Localities:

Gallery:

(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂Oⓘ 'Heulandite Subgroup'

Heulandite Subgroup

Hafrafell slopes, Hafrafell massif, Hornafjörður, Southern Region, Iceland

Heulandite Subgroup

Hafrafell slopes, Hafrafell massif, Hornafjörður, Southern Region, Iceland

Heulandite Subgroup

Hafrafell slopes, Hafrafell massif, Hornafjörður, Southern Region, Iceland

CaAl₂Si₄O₁₂ · 4H₂Oⓘ Laumontite

Laumontite, etc.

Hafrafell slopes, Hafrafell massif, Hornafjörður, Southern Region, Iceland

Laumontite, etc.

Hafrafell slopes, Hafrafell massif, Hornafjörður, Southern Region, Iceland

Laumontite, etc.

Hafrafell slopes, Hafrafell massif, Hornafjörður, Southern Region, Iceland

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Sulphur	1.CC.05	S₈
Group 2 - Sulphides and Sulfosalts
ⓘ	Covellite	2.CA.05a	CuS
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 3 - Halides
ⓘ	Oskarssonite (TL)	3.A0.	AlF₃
ⓘ	Halite	3.AA.20	NaCl
ⓘ	Sylvite	3.AA.20	KCl
ⓘ	Salammoniac	3.AA.25	NH₄Cl
ⓘ	Fluorite	3.AB.25	CaF₂
ⓘ	Carnallite	3.BA.10	KMgCl₃ · 6H₂O
ⓘ	Leonardsenite (TL)	3.CB.25	MgAlF₅ · 2H₂O
ⓘ	Thomsenolite	3.CB.40	NaCa[AlF₆] · H₂O
ⓘ	Verneite (TL)	3.CB.60	Na₂Ca₃Al₂F₁₄
ⓘ	Rosenbergite	3.CD.05	AlF[F_0.5(H₂O)_0.5]₄ · H₂O
ⓘ	Topsøeite (TL)	3.CD.05	FeF[F_0.5(H₂O)_0.5]₄ · H₂O
ⓘ	Jakobssonite (TL)	3.CD.15	CaAlF₅
ⓘ	Hydrokenoralstonite	3.CF.05	Na_0.5(Al,Mg)₂(F,OH)₆ · H₂O
ⓘ	Meniaylovite	3.CG.10	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
ⓘ	Malladrite	3.CH.05	Na₂[SiF₆]
ⓘ	Cryptohalite	3.CH.15	(NH₄)₂[SiF₆]
ⓘ	Hieratite	3.CH.15	K₂[SiF₆]
ⓘ	Heklaite (TL)	3.CH.30	KNaSiF₆
Group 4 - Oxides and Hydroxides
ⓘ	'Pyrochlore Group'	4.00.	A₂Nb₂(O,OH)₆Z
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	var. Titanium-bearing Magnetite	4.BB.05	Fe²⁺(Fe³⁺,Ti)₂O₄
ⓘ	Corundum	4.CB.05	Al₂O₃
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	var. Opal-CT	4.DA.10	SiO₂ · nH₂O
ⓘ	Cristobalite	4.DA.15	SiO₂
ⓘ	Anatase	4.DD.05	TiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
ⓘ	Rosasite	5.BA.10	(Cu,Zn)₂(CO₃)(OH)₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Heimaeyite (TL)	7.AA.	Na₃Al(SO₄)₃
ⓘ	Koryakite	7.AB.05	NaKMg₂Al₂(SO₄)₆
ⓘ	Vanthoffite	7.AC.05	Na₆Mg(SO₄)₄
ⓘ	Langbeinite	7.AC.10	K₂Mg₂(SO₄)₃
ⓘ	Eldfellite (TL)	7.AC.15	NaFe³⁺(SO₄)₂
ⓘ	Aphthitalite	7.AC.35	K₃Na(SO₄)₂
ⓘ	Belomarinaite	7.AC.35	KNa(SO₄)
ⓘ	Kristjánite (TL)	7.AD.	KNa₂H(SO₄)₂
ⓘ	Mercallite	7.AD.10	KHSO₄
ⓘ	Glauberite	7.AD.25	Na₂Ca(SO₄)₂
ⓘ	Thénardite	7.AD.25	Na₂SO₄
ⓘ	Anhydrite	7.AD.30	CaSO₄
ⓘ	Metathénardite	7.AD.30	Na₂SO₄
ⓘ	Ivsite	7.AD.45	Na₃H(SO₄)₂
ⓘ	Jarosite	7.BC.10	KFe³⁺₃(SO₄)₂(OH)₆
ⓘ	Galeite	7.BD.10	Na₁₅(SO₄)₅F₄Cl
ⓘ	Kieserite	7.CB.05	MgSO₄ · H₂O
ⓘ	Pentahydrite	7.CB.20	MgSO₄ · 5H₂O
ⓘ	Hexahydrite	7.CB.25	Mg(H₂O)₆(SO₄)
ⓘ	Tamarugite	7.CC.10	NaAl(SO₄)₂ · 6H₂O
ⓘ	Kröhnkite	7.CC.30	Na₂Cu(SO₄)₂ · 2H₂O
ⓘ	Löweite	7.CC.45	Na₁₂Mg₇(SO₄)₁₃ · 15H₂O
ⓘ	Blödite	7.CC.50	Na₂Mg(SO₄)₂ · 4H₂O
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
ⓘ	Bassanite	7.CD.45	Ca(SO₄) · 0.5H₂O
ⓘ	Kainite	7.DF.10	KMg(SO₄)Cl · 3H₂O
ⓘ	Chessexite	7.DG.35	(Na,K)₄Ca₂(Mg,Zn)₃Al₈(SO₄)₁₀(SiO₄)₂ · 40H₂O
Group 9 - Silicates
ⓘ	Fayalite	9.AC.05	Fe²⁺₂(SiO₄)
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Titanite	9.AG.15	CaTiO(SiO₄)
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Hedenbergite	9.DA.15	CaFe²⁺Si₂O₆
ⓘ	Diopside var. Salite	9.DA.15	CaMgSi₂O₆
ⓘ	Augite var. Ferroaugite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	var. Ferrohedenbergite	9.DA.15	(Ca,Mg,Fe)(Fe,Mg)Si₂O₆
ⓘ	Aegirine-augite	9.DA.20	(Na_aCa_bFe²⁺_cMg_d)(Fe³⁺_eAl_fFe²⁺_gMg_h)Si₂O₆
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Tremolite	9.DE.10	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Arfvedsonite	9.DE.25	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂
ⓘ	Riebeckite	9.DE.25	◻Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂
ⓘ	Tobermorite	9.DG.10	Ca₅Si₆O₁₇ · 5H₂O
ⓘ	Xonotlite	9.DG.35	Ca₆(Si₆O₁₇)(OH)₂
ⓘ	Aenigmatite	9.DH.40	Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]
ⓘ	Prehnite	9.DP.20	Ca₂Al₂Si₃O₁₀(OH)₂
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Nontronite	9.EC.40	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
ⓘ	Saponite	9.EC.45	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
ⓘ	var. Bowlingite	9.EC.45	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
ⓘ	Gyrolite	9.EE.30	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
ⓘ	Reyerite	9.EE.35	(Na,K)₂Ca₁₄(Si,Al)₂₄O₅₈(OH)₈ · 6H₂O
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Andesine	9.FA.35	(Na,Ca)[Al(Si,Al)Si₂O₈]
ⓘ	Anorthite	9.FA.35	Ca(Al₂Si₂O₈)
ⓘ	Albite var. Anorthoclase	9.FA.35	(Na,K)AlSi₃O₈
ⓘ	Anorthite var. Bytownite	9.FA.35	(Ca,Na)[Al(Al,Si)Si₂O₈]
ⓘ	var. Labradorite	9.FA.35	(Ca,Na)[Al(Al,Si)Si₂O₈]
ⓘ	'Zeolite Group'	9.G0.
ⓘ	Mesolite	9.GA.05	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
ⓘ	Scolecite	9.GA.05	CaAl₂Si₃O₁₀ · 3H₂O
ⓘ	Analcime	9.GB.05	Na(AlSi₂O₆) · H₂O
ⓘ	Wairakite	9.GB.05	Ca(Al₂Si₄O₁₂) · 2H₂O
ⓘ	Laumontite	9.GB.10	CaAl₂Si₄O₁₂ · 4H₂O
ⓘ	Amicite	9.GC.05	K₂Na₂Al₄Si₄O₁₆ · 5H₂O
ⓘ	Mordenite	9.GD.35	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Unclassified
ⓘ	'Alkali Feldspar'	-
ⓘ	'Amphibole Supergroup'	-	AB₂C₅(T₈O₂₂)W₂
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Chabazite'	-
ⓘ	'Chlorite Group'	-
ⓘ	'Feldspar Group'	-
ⓘ	'Heulandite Subgroup'	-	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
ⓘ	'Hypersthene'	-	(Mg,Fe)SiO₃
ⓘ	'Limonite'	-
ⓘ	'Phillipsite Subgroup'	-	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
ⓘ	'Pumpellyite Subgroup'	-	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
ⓘ	'Stilbite Subgroup'	-	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
ⓘ	'Iddingsite'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Hornblende Root Name Group'	-	◻Ca₂(C²⁺₄C³⁺)(AlSi₇O₂₂)W₂
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'Pyroxene Group'	-	ADSi₂O₆
ⓘ	'Chrome-Spinel (of Dana)'	-
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Smectite Group'	-	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄
ⓘ	'Glass'	-
ⓘ	'Microperthite'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃A
ⓘ	'Olivine Group'	-	M₂SiO₄
ⓘ	'UM2008-49-SO:FeNa'	-	Na₃Fe(SO₄)₃
ⓘ	'Chevkinite Group'	-
ⓘ	'Snottite'	-
ⓘ	'Allanite Group'	-	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	'Palagonite'	-
ⓘ	'UM2008-29-F:CoFeHN' ?	-	(NH₄)(Fe,Co)₂F₆
ⓘ	'UM2008-31-F:FeHOSi' ?	-	FeSiF₆ · 6H₂O
ⓘ	'UM2008-50-SO:HMgNa'	-	Na₂Mg₃(SO₄)₂(OH)₂ · 4H₂O

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
H	ⓘ Amicite	K₂Na₂Al₄Si₄O₁₆ · 5H₂O
H	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
H	ⓘ Arfvedsonite	NaNa₂(Fe₄²⁺Fe³⁺)Si₈O₂₂(OH)₂
H	ⓘ Bassanite	Ca(SO₄) · 0.5H₂O
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Blödite	Na₂Mg(SO₄)₂ · 4H₂O
H	ⓘ Carnallite	KMgCl₃ · 6H₂O
H	ⓘ Chessexite	(Na,K)₄Ca₂(Mg,Zn)₃Al₈(SO₄)₁₀(SiO₄)₂ · 40H₂O
H	ⓘ Cryptohalite	(NH₄)₂[SiF₆]
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
H	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
H	ⓘ Hexahydrite	Mg(H₂O)₆(SO₄)
H	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
H	ⓘ Kainite	KMg(SO₄)Cl · 3H₂O
H	ⓘ Kieserite	MgSO₄ · H₂O
H	ⓘ Kröhnkite	Na₂Cu(SO₄)₂ · 2H₂O
H	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
H	ⓘ Löweite	Na₁₂Mg₇(SO₄)₁₃ · 15H₂O
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
H	ⓘ Mercallite	KHSO₄
H	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
H	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Pentahydrite	MgSO₄ · 5H₂O
H	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
H	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
H	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
H	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
H	ⓘ Hydrokenoralstonite	Na_0.5(Al,Mg)₂(F,OH)₆ · H₂O
H	ⓘ Reyerite	(Na,K)₂Ca₁₄(Si,Al)₂₄O₅₈(OH)₈ · 6H₂O
H	ⓘ Riebeckite	◻Na₂(Fe₃²⁺Fe₂³⁺)Si₈O₂₂(OH)₂
H	ⓘ Rosasite	(Cu,Zn)₂(CO₃)(OH)₂
H	ⓘ Rosenbergite	AlF[F_0.5(H₂O)_0.5]₄ · H₂O
H	ⓘ Salammoniac	NH₄Cl
H	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
H	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
H	ⓘ Tamarugite	NaAl(SO₄)₂ · 6H₂O
H	ⓘ Thomsenolite	NaCa[AlF₆] · H₂O
H	ⓘ Tobermorite	Ca₅Si₆O₁₇ · 5H₂O
H	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
H	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
H	ⓘ Xonotlite	Ca₆(Si₆O₁₇)(OH)₂
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Smectite Group	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
H	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
H	ⓘ Saponite var. Bowlingite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Opal var. Opal-CT	SiO₂ · nH₂O
H	ⓘ Leonardsenite	MgAlF₅ · 2H₂O
H	ⓘ Ivsite	Na₃H(SO₄)₂
H	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Topsøeite	FeF[F_0.5(H₂O)_0.5]₄ · H₂O
H	ⓘ UM2008-29-F:CoFeHN	(NH₄)(Fe,Co)₂F₆
H	ⓘ UM2008-31-F:FeHOSi	FeSiF₆ · 6H₂O
H	ⓘ UM2008-50-SO:HMgNa	Na₂Mg₃(SO₄)₂(OH)₂ · 4H₂O
H	ⓘ Kristjánite	KNa₂H(SO₄)₂
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
C	ⓘ Rosasite	(Cu,Zn)₂(CO₃)(OH)₂
N	Nitrogen
N	ⓘ Cryptohalite	(NH₄)₂[SiF₆]
N	ⓘ Salammoniac	NH₄Cl
N	ⓘ UM2008-29-F:CoFeHN	(NH₄)(Fe,Co)₂F₆
O	Oxygen
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
O	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Amicite	K₂Na₂Al₄Si₄O₁₆ · 5H₂O
O	ⓘ Amphibole Supergroup	AB₂C₅(T₈O₂₂)W₂
O	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
O	ⓘ Anatase	TiO₂
O	ⓘ Albite var. Andesine	(Na,Ca)[Al(Si,Al)Si₂O₈]
O	ⓘ Anhydrite	CaSO₄
O	ⓘ Anorthite	Ca(Al₂Si₂O₈)
O	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
O	ⓘ Aphthitalite	K₃Na(SO₄)₂
O	ⓘ Arfvedsonite	NaNa₂(Fe₄²⁺Fe³⁺)Si₈O₂₂(OH)₂
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Bassanite	Ca(SO₄) · 0.5H₂O
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Blödite	Na₂Mg(SO₄)₂ · 4H₂O
O	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
O	ⓘ Calcite	CaCO₃
O	ⓘ Carnallite	KMgCl₃ · 6H₂O
O	ⓘ Chessexite	(Na,K)₄Ca₂(Mg,Zn)₃Al₈(SO₄)₁₀(SiO₄)₂ · 40H₂O
O	ⓘ Corundum	Al₂O₃
O	ⓘ Cristobalite	SiO₂
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Fayalite	Fe₂²⁺(SiO₄)
O	ⓘ Galeite	Na₁₅(SO₄)₅F₄Cl
O	ⓘ Glauberite	Na₂Ca(SO₄)₂
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
O	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
O	ⓘ Hexahydrite	Mg(H₂O)₆(SO₄)
O	ⓘ Hypersthene	(Mg,Fe)SiO₃
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
O	ⓘ Kainite	KMg(SO₄)Cl · 3H₂O
O	ⓘ Kieserite	MgSO₄ · H₂O
O	ⓘ Kröhnkite	Na₂Cu(SO₄)₂ · 2H₂O
O	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
O	ⓘ Langbeinite	K₂Mg₂(SO₄)₃
O	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
O	ⓘ Löweite	Na₁₂Mg₇(SO₄)₁₃ · 15H₂O
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Mercallite	KHSO₄
O	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
O	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Pentahydrite	MgSO₄ · 5H₂O
O	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
O	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
O	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
O	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
O	ⓘ Quartz	SiO₂
O	ⓘ Hydrokenoralstonite	Na_0.5(Al,Mg)₂(F,OH)₆ · H₂O
O	ⓘ Reyerite	(Na,K)₂Ca₁₄(Si,Al)₂₄O₅₈(OH)₈ · 6H₂O
O	ⓘ Riebeckite	◻Na₂(Fe₃²⁺Fe₂³⁺)Si₈O₂₂(OH)₂
O	ⓘ Rosasite	(Cu,Zn)₂(CO₃)(OH)₂
O	ⓘ Rosenbergite	AlF[F_0.5(H₂O)_0.5]₄ · H₂O
O	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
O	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
O	ⓘ Tamarugite	NaAl(SO₄)₂ · 6H₂O
O	ⓘ Thénardite	Na₂SO₄
O	ⓘ Thomsenolite	NaCa[AlF₆] · H₂O
O	ⓘ Titanite	CaTiO(SiO₄)
O	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
O	ⓘ Tobermorite	Ca₅Si₆O₁₇ · 5H₂O
O	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Vanthoffite	Na₆Mg(SO₄)₄
O	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
O	ⓘ Xonotlite	Ca₆(Si₆O₁₇)(OH)₂
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Fayalite-Forsterite Series
O	ⓘ Hornblende Root Name Group	◻Ca₂(C₄²⁺C³⁺)(AlSi₇O₂₂)W₂
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Pyroxene Group	ADSi₂O₆
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Diopside var. Salite	CaMgSi₂O₆
O	ⓘ Smectite Group	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
O	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
O	ⓘ Saponite var. Bowlingite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Apatite	Ca₅(PO₄)₃A
O	ⓘ Olivine Group	M₂SiO₄
O	ⓘ Metathénardite	Na₂SO₄
O	ⓘ Opal var. Opal-CT	SiO₂ · nH₂O
O	ⓘ Eldfellite	NaFe³⁺(SO₄)₂
O	ⓘ UM2008-49-SO:FeNa	Na₃Fe(SO₄)₃
O	ⓘ Leonardsenite	MgAlF₅ · 2H₂O
O	ⓘ Augite var. Ferroaugite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Ivsite	Na₃H(SO₄)₂
O	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Topsøeite	FeF[F_0.5(H₂O)_0.5]₄ · H₂O
O	ⓘ Augite var. Ferrohedenbergite	(Ca,Mg,Fe)(Fe,Mg)Si₂O₆
O	ⓘ Belomarinaite	KNa(SO₄)
O	ⓘ Koryakite	NaKMg₂Al₂(SO₄)₆
O	ⓘ UM2008-31-F:FeHOSi	FeSiF₆ · 6H₂O
O	ⓘ UM2008-50-SO:HMgNa	Na₂Mg₃(SO₄)₂(OH)₂ · 4H₂O
O	ⓘ Kristjánite	KNa₂H(SO₄)₂
O	ⓘ Heimaeyite	Na₃Al(SO₄)₃
F	Fluorine
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
F	ⓘ Cryptohalite	(NH₄)₂[SiF₆]
F	ⓘ Fluorite	CaF₂
F	ⓘ Galeite	Na₁₅(SO₄)₅F₄Cl
F	ⓘ Hieratite	K₂[SiF₆]
F	ⓘ Malladrite	Na₂[SiF₆]
F	ⓘ Hydrokenoralstonite	Na_0.5(Al,Mg)₂(F,OH)₆ · H₂O
F	ⓘ Rosenbergite	AlF[F_0.5(H₂O)_0.5]₄ · H₂O
F	ⓘ Thomsenolite	NaCa[AlF₆] · H₂O
F	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
F	ⓘ Heklaite	KNaSiF₆
F	ⓘ Jakobssonite	CaAlF₅
F	ⓘ Leonardsenite	MgAlF₅ · 2H₂O
F	ⓘ Oskarssonite	AlF₃
F	ⓘ Topsøeite	FeF[F_0.5(H₂O)_0.5]₄ · H₂O
F	ⓘ Verneite	Na₂Ca₃Al₂F₁₄
F	ⓘ UM2008-29-F:CoFeHN	(NH₄)(Fe,Co)₂F₆
F	ⓘ UM2008-31-F:FeHOSi	FeSiF₆ · 6H₂O
Na	Sodium
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Na	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Amicite	K₂Na₂Al₄Si₄O₁₆ · 5H₂O
Na	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Na	ⓘ Albite var. Andesine	(Na,Ca)[Al(Si,Al)Si₂O₈]
Na	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Na	ⓘ Aphthitalite	K₃Na(SO₄)₂
Na	ⓘ Arfvedsonite	NaNa₂(Fe₄²⁺Fe³⁺)Si₈O₂₂(OH)₂
Na	ⓘ Blödite	Na₂Mg(SO₄)₂ · 4H₂O
Na	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Na	ⓘ Chessexite	(Na,K)₄Ca₂(Mg,Zn)₃Al₈(SO₄)₁₀(SiO₄)₂ · 40H₂O
Na	ⓘ Galeite	Na₁₅(SO₄)₅F₄Cl
Na	ⓘ Glauberite	Na₂Ca(SO₄)₂
Na	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Na	ⓘ Halite	NaCl
Na	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Na	ⓘ Kröhnkite	Na₂Cu(SO₄)₂ · 2H₂O
Na	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Na	ⓘ Löweite	Na₁₂Mg₇(SO₄)₁₃ · 15H₂O
Na	ⓘ Malladrite	Na₂[SiF₆]
Na	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Na	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Na	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Na	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
Na	ⓘ Hydrokenoralstonite	Na_0.5(Al,Mg)₂(F,OH)₆ · H₂O
Na	ⓘ Reyerite	(Na,K)₂Ca₁₄(Si,Al)₂₄O₅₈(OH)₈ · 6H₂O
Na	ⓘ Riebeckite	◻Na₂(Fe₃²⁺Fe₂³⁺)Si₈O₂₂(OH)₂
Na	ⓘ Tamarugite	NaAl(SO₄)₂ · 6H₂O
Na	ⓘ Thénardite	Na₂SO₄
Na	ⓘ Thomsenolite	NaCa[AlF₆] · H₂O
Na	ⓘ Vanthoffite	Na₆Mg(SO₄)₄
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Na	ⓘ Metathénardite	Na₂SO₄
Na	ⓘ Eldfellite	NaFe³⁺(SO₄)₂
Na	ⓘ Heklaite	KNaSiF₆
Na	ⓘ UM2008-49-SO:FeNa	Na₃Fe(SO₄)₃
Na	ⓘ Ivsite	Na₃H(SO₄)₂
Na	ⓘ Verneite	Na₂Ca₃Al₂F₁₄
Na	ⓘ Belomarinaite	KNa(SO₄)
Na	ⓘ Koryakite	NaKMg₂Al₂(SO₄)₆
Na	ⓘ UM2008-50-SO:HMgNa	Na₂Mg₃(SO₄)₂(OH)₂ · 4H₂O
Na	ⓘ Kristjánite	KNa₂H(SO₄)₂
Na	ⓘ Heimaeyite	Na₃Al(SO₄)₃
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Mg	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Blödite	Na₂Mg(SO₄)₂ · 4H₂O
Mg	ⓘ Carnallite	KMgCl₃ · 6H₂O
Mg	ⓘ Chessexite	(Na,K)₄Ca₂(Mg,Zn)₃Al₈(SO₄)₁₀(SiO₄)₂ · 40H₂O
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Hexahydrite	Mg(H₂O)₆(SO₄)
Mg	ⓘ Hypersthene	(Mg,Fe)SiO₃
Mg	ⓘ Kainite	KMg(SO₄)Cl · 3H₂O
Mg	ⓘ Kieserite	MgSO₄ · H₂O
Mg	ⓘ Langbeinite	K₂Mg₂(SO₄)₃
Mg	ⓘ Löweite	Na₁₂Mg₇(SO₄)₁₃ · 15H₂O
Mg	ⓘ Pentahydrite	MgSO₄ · 5H₂O
Mg	ⓘ Hydrokenoralstonite	Na_0.5(Al,Mg)₂(F,OH)₆ · H₂O
Mg	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Mg	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Mg	ⓘ Vanthoffite	Na₆Mg(SO₄)₄
Mg	ⓘ Fayalite-Forsterite Series
Mg	ⓘ Diopside var. Salite	CaMgSi₂O₆
Mg	ⓘ Saponite var. Bowlingite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Mg	ⓘ Leonardsenite	MgAlF₅ · 2H₂O
Mg	ⓘ Augite var. Ferroaugite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Augite var. Ferrohedenbergite	(Ca,Mg,Fe)(Fe,Mg)Si₂O₆
Mg	ⓘ Koryakite	NaKMg₂Al₂(SO₄)₆
Mg	ⓘ UM2008-50-SO:HMgNa	Na₂Mg₃(SO₄)₂(OH)₂ · 4H₂O
Al	Aluminium
Al	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Amicite	K₂Na₂Al₄Si₄O₁₆ · 5H₂O
Al	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Al	ⓘ Albite var. Andesine	(Na,Ca)[Al(Si,Al)Si₂O₈]
Al	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Al	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Al	ⓘ Chessexite	(Na,K)₄Ca₂(Mg,Zn)₃Al₈(SO₄)₁₀(SiO₄)₂ · 40H₂O
Al	ⓘ Corundum	Al₂O₃
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Al	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Al	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Al	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Al	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Al	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Al	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
Al	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Al	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Al	ⓘ Hydrokenoralstonite	Na_0.5(Al,Mg)₂(F,OH)₆ · H₂O
Al	ⓘ Reyerite	(Na,K)₂Ca₁₄(Si,Al)₂₄O₅₈(OH)₈ · 6H₂O
Al	ⓘ Rosenbergite	AlF[F_0.5(H₂O)_0.5]₄ · H₂O
Al	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
Al	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Al	ⓘ Tamarugite	NaAl(SO₄)₂ · 6H₂O
Al	ⓘ Thomsenolite	NaCa[AlF₆] · H₂O
Al	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
Al	ⓘ Hornblende Root Name Group	◻Ca₂(C₄²⁺C³⁺)(AlSi₇O₂₂)W₂
Al	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Al	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
Al	ⓘ Saponite var. Bowlingite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Jakobssonite	CaAlF₅
Al	ⓘ Leonardsenite	MgAlF₅ · 2H₂O
Al	ⓘ Oskarssonite	AlF₃
Al	ⓘ Verneite	Na₂Ca₃Al₂F₁₄
Al	ⓘ Koryakite	NaKMg₂Al₂(SO₄)₆
Al	ⓘ Heimaeyite	Na₃Al(SO₄)₃
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Si	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Amicite	K₂Na₂Al₄Si₄O₁₆ · 5H₂O
Si	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Si	ⓘ Albite var. Andesine	(Na,Ca)[Al(Si,Al)Si₂O₈]
Si	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Si	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Si	ⓘ Arfvedsonite	NaNa₂(Fe₄²⁺Fe³⁺)Si₈O₂₂(OH)₂
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Si	ⓘ Chessexite	(Na,K)₄Ca₂(Mg,Zn)₃Al₈(SO₄)₁₀(SiO₄)₂ · 40H₂O
Si	ⓘ Cristobalite	SiO₂
Si	ⓘ Cryptohalite	(NH₄)₂[SiF₆]
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Fayalite	Fe₂²⁺(SiO₄)
Si	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Si	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
Si	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Si	ⓘ Hieratite	K₂[SiF₆]
Si	ⓘ Hypersthene	(Mg,Fe)SiO₃
Si	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Si	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Si	ⓘ Malladrite	Na₂[SiF₆]
Si	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Si	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
Si	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Si	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Si	ⓘ Quartz	SiO₂
Si	ⓘ Reyerite	(Na,K)₂Ca₁₄(Si,Al)₂₄O₅₈(OH)₈ · 6H₂O
Si	ⓘ Riebeckite	◻Na₂(Fe₃²⁺Fe₂³⁺)Si₈O₂₂(OH)₂
Si	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
Si	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Si	ⓘ Titanite	CaTiO(SiO₄)
Si	ⓘ Tobermorite	Ca₅Si₆O₁₇ · 5H₂O
Si	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Si	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
Si	ⓘ Xonotlite	Ca₆(Si₆O₁₇)(OH)₂
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Fayalite-Forsterite Series
Si	ⓘ Hornblende Root Name Group	◻Ca₂(C₄²⁺C³⁺)(AlSi₇O₂₂)W₂
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Pyroxene Group	ADSi₂O₆
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Si	ⓘ Diopside var. Salite	CaMgSi₂O₆
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
Si	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
Si	ⓘ Saponite var. Bowlingite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Olivine Group	M₂SiO₄
Si	ⓘ Opal var. Opal-CT	SiO₂ · nH₂O
Si	ⓘ Heklaite	KNaSiF₆
Si	ⓘ Augite var. Ferroaugite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Augite var. Ferrohedenbergite	(Ca,Mg,Fe)(Fe,Mg)Si₂O₆
Si	ⓘ UM2008-31-F:FeHOSi	FeSiF₆ · 6H₂O
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃A
S	Sulfur
S	ⓘ Anhydrite	CaSO₄
S	ⓘ Aphthitalite	K₃Na(SO₄)₂
S	ⓘ Bassanite	Ca(SO₄) · 0.5H₂O
S	ⓘ Blödite	Na₂Mg(SO₄)₂ · 4H₂O
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Chessexite	(Na,K)₄Ca₂(Mg,Zn)₃Al₈(SO₄)₁₀(SiO₄)₂ · 40H₂O
S	ⓘ Covellite	CuS
S	ⓘ Galeite	Na₁₅(SO₄)₅F₄Cl
S	ⓘ Galena	PbS
S	ⓘ Glauberite	Na₂Ca(SO₄)₂
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Hexahydrite	Mg(H₂O)₆(SO₄)
S	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
S	ⓘ Kainite	KMg(SO₄)Cl · 3H₂O
S	ⓘ Kieserite	MgSO₄ · H₂O
S	ⓘ Kröhnkite	Na₂Cu(SO₄)₂ · 2H₂O
S	ⓘ Langbeinite	K₂Mg₂(SO₄)₃
S	ⓘ Löweite	Na₁₂Mg₇(SO₄)₁₃ · 15H₂O
S	ⓘ Mercallite	KHSO₄
S	ⓘ Pentahydrite	MgSO₄ · 5H₂O
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
S	ⓘ Native Sulphur	S₈
S	ⓘ Tamarugite	NaAl(SO₄)₂ · 6H₂O
S	ⓘ Thénardite	Na₂SO₄
S	ⓘ Vanthoffite	Na₆Mg(SO₄)₄
S	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
S	ⓘ Metathénardite	Na₂SO₄
S	ⓘ Eldfellite	NaFe³⁺(SO₄)₂
S	ⓘ UM2008-49-SO:FeNa	Na₃Fe(SO₄)₃
S	ⓘ Ivsite	Na₃H(SO₄)₂
S	ⓘ Belomarinaite	KNa(SO₄)
S	ⓘ Koryakite	NaKMg₂Al₂(SO₄)₆
S	ⓘ UM2008-50-SO:HMgNa	Na₂Mg₃(SO₄)₂(OH)₂ · 4H₂O
S	ⓘ Kristjánite	KNa₂H(SO₄)₂
S	ⓘ Heimaeyite	Na₃Al(SO₄)₃
Cl	Chlorine
Cl	ⓘ Carnallite	KMgCl₃ · 6H₂O
Cl	ⓘ Galeite	Na₁₅(SO₄)₅F₄Cl
Cl	ⓘ Halite	NaCl
Cl	ⓘ Kainite	KMg(SO₄)Cl · 3H₂O
Cl	ⓘ Salammoniac	NH₄Cl
Cl	ⓘ Sylvite	KCl
K	Potassium
K	ⓘ Amicite	K₂Na₂Al₄Si₄O₁₆ · 5H₂O
K	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
K	ⓘ Aphthitalite	K₃Na(SO₄)₂
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Carnallite	KMgCl₃ · 6H₂O
K	ⓘ Chessexite	(Na,K)₄Ca₂(Mg,Zn)₃Al₈(SO₄)₁₀(SiO₄)₂ · 40H₂O
K	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
K	ⓘ Hieratite	K₂[SiF₆]
K	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
K	ⓘ Kainite	KMg(SO₄)Cl · 3H₂O
K	ⓘ Langbeinite	K₂Mg₂(SO₄)₃
K	ⓘ Mercallite	KHSO₄
K	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
K	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
K	ⓘ Reyerite	(Na,K)₂Ca₁₄(Si,Al)₂₄O₅₈(OH)₈ · 6H₂O
K	ⓘ Sylvite	KCl
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Heklaite	KNaSiF₆
K	ⓘ Belomarinaite	KNa(SO₄)
K	ⓘ Koryakite	NaKMg₂Al₂(SO₄)₆
K	ⓘ Kristjánite	KNa₂H(SO₄)₂
Ca	Calcium
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Ca	ⓘ Albite var. Andesine	(Na,Ca)[Al(Si,Al)Si₂O₈]
Ca	ⓘ Anhydrite	CaSO₄
Ca	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Bassanite	Ca(SO₄) · 0.5H₂O
Ca	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Chessexite	(Na,K)₄Ca₂(Mg,Zn)₃Al₈(SO₄)₁₀(SiO₄)₂ · 40H₂O
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Glauberite	Na₂Ca(SO₄)₂
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Ca	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
Ca	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Ca	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Ca	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Ca	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Ca	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Ca	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
Ca	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Ca	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Ca	ⓘ Reyerite	(Na,K)₂Ca₁₄(Si,Al)₂₄O₅₈(OH)₈ · 6H₂O
Ca	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Ca	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
Ca	ⓘ Thomsenolite	NaCa[AlF₆] · H₂O
Ca	ⓘ Titanite	CaTiO(SiO₄)
Ca	ⓘ Tobermorite	Ca₅Si₆O₁₇ · 5H₂O
Ca	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Ca	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
Ca	ⓘ Xonotlite	Ca₆(Si₆O₁₇)(OH)₂
Ca	ⓘ Hornblende Root Name Group	◻Ca₂(C₄²⁺C³⁺)(AlSi₇O₂₂)W₂
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ca	ⓘ Diopside var. Salite	CaMgSi₂O₆
Ca	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
Ca	ⓘ Saponite var. Bowlingite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Ca	ⓘ Apatite	Ca₅(PO₄)₃A
Ca	ⓘ Jakobssonite	CaAlF₅
Ca	ⓘ Augite var. Ferroaugite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Verneite	Na₂Ca₃Al₂F₁₄
Ca	ⓘ Augite var. Ferrohedenbergite	(Ca,Mg,Fe)(Fe,Mg)Si₂O₆
Ti	Titanium
Ti	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
Ti	ⓘ Anatase	TiO₂
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Titanite	CaTiO(SiO₄)
Ti	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Fe	Iron
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Fe	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
Fe	ⓘ Arfvedsonite	NaNa₂(Fe₄²⁺Fe³⁺)Si₈O₂₂(OH)₂
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Fayalite	Fe₂²⁺(SiO₄)
Fe	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Hypersthene	(Mg,Fe)SiO₃
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Riebeckite	◻Na₂(Fe₃²⁺Fe₂³⁺)Si₈O₂₂(OH)₂
Fe	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Fe	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Fe	ⓘ Fayalite-Forsterite Series
Fe	ⓘ Saponite var. Bowlingite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Fe	ⓘ Eldfellite	NaFe³⁺(SO₄)₂
Fe	ⓘ UM2008-49-SO:FeNa	Na₃Fe(SO₄)₃
Fe	ⓘ Augite var. Ferroaugite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Topsøeite	FeF[F_0.5(H₂O)_0.5]₄ · H₂O
Fe	ⓘ Augite var. Ferrohedenbergite	(Ca,Mg,Fe)(Fe,Mg)Si₂O₆
Fe	ⓘ UM2008-29-F:CoFeHN	(NH₄)(Fe,Co)₂F₆
Fe	ⓘ UM2008-31-F:FeHOSi	FeSiF₆ · 6H₂O
Co	Cobalt
Co	ⓘ UM2008-29-F:CoFeHN	(NH₄)(Fe,Co)₂F₆
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Covellite	CuS
Cu	ⓘ Kröhnkite	Na₂Cu(SO₄)₂ · 2H₂O
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Cu	ⓘ Rosasite	(Cu,Zn)₂(CO₃)(OH)₂
Zn	Zinc
Zn	ⓘ Chessexite	(Na,K)₄Ca₂(Mg,Zn)₃Al₈(SO₄)₁₀(SiO₄)₂ · 40H₂O
Zn	ⓘ Rosasite	(Cu,Zn)₂(CO₃)(OH)₂
Zn	ⓘ Sphalerite	ZnS
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Nb	Niobium
Nb	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
Ba	Barium
Ba	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
Pb	Lead
Pb	ⓘ Galena	PbS

Fossils

There are 2 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

Youngest Fossil Listed

0.01 Ma (Pleistocene)

Oldest Fossil Listed

0.01 Ma (Pleistocene)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Monodon monoceros species	Animalia : Chordata : Mammalia : Cetacea : Monodontidae : Monodon : *Monodon monoceros*	0.0117 - 0 Ma Quaternary
Pinguinus impennis species	Animalia : Chordata : Aves : Charadriiformes : Alcidae : Pinguinus : *Pinguinus impennis*	0.0117 - 0 Ma Quaternary

Fossil Localities

Click to show 2 fossil localities

Iceland

Quaternary🐚 Geirfuglasker
Southern Region
- Hornafjörður
  - Quaternary🐚 Whaling Survey

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Southern_Region_(Iceland)
Wikidata ID:	Q204796
GeoNames ID:	3337406

Localities in this Region

Other Regions, Features and Areas that Intersect

Atlantic OceanOcean

Iceland-Faroe RidgeWide Rift
Mid-Atlantic Ridge complexMid-Ocean Ridge

Eurasian PlateTectonic Plate

EuropeContinent

Iceland

Vatnajökull National ParkNational Park

North America PlateTectonic Plate

East Iceland RiftNarrow Rift
West Iceland RiftNarrow Rift

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

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Southern Region, Iceland i
Regional Level Types
Southern Region Region
Iceland Country

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Southern Region, IcelandiRegional Level TypesSouthern RegionRegion IcelandCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Mineral List

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

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Localities in this Region

Other Regions, Features and Areas that Intersect

Southern Region, Iceland i
Regional Level Types
Southern Region Region
Iceland Country