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

Regional Level Types
Northeastern Region	Region
Iceland	Country

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Predictive Mineralogy

Crack

Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

A small quarry close to Jarðböðin

Jarðböðin, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

Namafjall

Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

Crack

Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

A small quarry close to Jarðböðin

Jarðböðin, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

Namafjall

Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

Crack

Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

A small quarry close to Jarðböðin

Jarðböðin, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

Area:

21,968 km²

Neighbouring regions:

Northwestern Region, Iceland

Eastern Region, Iceland

Southern Region, Iceland

Vatnajökull Glacier, Iceland

Type:

Region

Largest Settlements:

Place	Population
Akureyri	17,693 (2016)
Húsavík	2,228 (2017)
Dalvík	1,359 (2016)
Siglufjörður	1,190 (2017)
Laugar	1,001 (2016)
Ólafsfjörður	790 (2017)

Mindat Locality ID:

245592

Long-form identifier:

mindat:1:2:245592:4

GUID (UUID V4):

Other Languages:

View 54 more...

French:

Norðurland eystra, Islande

German:

Norðurland eystra, Island

Icelandic:

Norðurland eystra, Ísland

Italian:

Norðurland eystra, Islanda

Russian:

Нордюрланд-Эйстра, Исландия

Simplified Chinese:

東北區, 冰岛

Spanish:

Norðurland Eystra, Islandia

Albanian:

Rajoni Verilindor, Islanda

Arabic:

الإقليم الشمالي الشرقي, آيسلندا

Armenian:

Նորդուրլանդ Էյստրա, Իսլանդիա

Asturian:

Norðurland Eystra, Islandia

Azeri:

Nordürland Eystra, İslandiya

Basque:

Norðurland eystra, Islandia

Belarusian:

рэгіён Нордурланд-Эйстра, Ісландыя

Bengali:

নর্থ ইস্টার্ন অঞ্চল, আইসল্যান্ড

Breton:

Norðurland eystra, Island

Catalan:

Norðurland eystra, Islàndia

Cebuano:

Norðurland Eystra, Iceland

Danish:

Norðurland eystra, Island

Dutch:

Norðurland eystra, IJsland

Dutch Low Saxon:

Norðurland eystra, Ieslaand

Esperanto:

Nordolando Eosta, Islando

Estonian:

Norðurland eystra, Island

Farsi/Persian:

نوردورلاند ایسترا, ایسلند

Finnish:

Norðurland eystra, Islanti

Galician:

Norðurland Eystra, Islandia

Georgian:

ნორდურლანდ-ისტრა, ისლანდია

Greek:

Βορειοανατολική Ισλανδία, Ισλανδία

Gujarati:

ઉત્તરપૂર્વીય પ્રદેશ, આઈસલેંડ

Hebrew:

צפון איסלנד, איסלנד

Hindi:

पूर्वोत्तर क्षेत्र, आइसलैण्ड

Indonesian:

Norðurland eystra, Islandia

Irish Gaelic:

Norðurland eystra, An Íoslainn

Japanese:

北アイスランド東部, アイスランド

Kannada:

ಈಶಾನ್ಯ ಪ್ರದೇಶ, ಐಸ್‍ಲ್ಯಾಂಡ್

Korean:

노르뒤를란드 에이스트라, 아이슬란드

Latin:

Norðurland eystra, Islandia

Latvian:

Ziemeļaustrumu reģions, Islande

Lithuanian:

Rytų Nordurlandas, Islandija

Macedonian:

Североисточен регион, Исланд

Malay:

Northeastern Region, Iceland

Marathi:

पूर्वोत्तर प्रदेश, आइसलँड

Minnan / Hokkien-Taiwanese:

Norðurland eystra, Peng-tó

Northern Sami:

Norðurland eystra, Islánda

Norwegian:

Norðurland eystra, Island

Polish:

Norðurland eystra, Islandia

Portuguese:

Região Nordeste , Islândia

Scots:

Northeastren Region, Iceland

Serbian:

Нордиртланд Ејстра, Исланд

Serbo-Croatian:

Norðurland eystra, Island

Sinhalese:

උතුරු නැගෙනහිර කලාපය, අයිස්ලන්තය

Swedish:

Norðurland eystra, Island

Tamil:

வடக்கு கிழக்கு பகுதி, ஐசுலாந்து

Telugu:

ఈశాన్య ప్రాంతం, ఐస్‌లాండ్

Thai:

นอร์ทเทสเทิร์น, ไอซ์แลนด์

Traditional Chinese:

東北區, 冰島

Turkish:

Kuzeydoğu Bölgesi, İzlanda

Ukrainian:

Нордурланд-Ейстра, Ісландія

Urdu:

شمال مشرقی علاقہ, آئس لینڈ

Vietnamese:

Khu vực Đông Bắc, Iceland

Welsh:

Norðurland eystra, Gwlad yr Iâ

Northeastern Region (Icelandic: Norðurland eystra [ˈnɔrðʏrˌlant ˈeistra]) is one of the traditional eight regions of Iceland, located in the north of the island. The biggest town in the region is Akureyri.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

ⓘ 'Apophyllite Group'

ⓘ 'Clinopyroxene Subgroup'

ⓘ 'Erionite Subgroup'

ⓘ var. Titanohematite

ⓘ 'Heulandite Subgroup'

ⓘ var. Titanium-bearing Magnetite

ⓘ 'Stilbite Subgroup'

ⓘ Szomolnokite

ⓘ Thomsonite-Ca

ⓘ 'Thomsonite Subgroup'

67 valid minerals.

Rock Types Recorded

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Actinolite

Formula: ◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Tamjidi, A. Borehole geology and hydrotermal alteration of well KJ-29 in the Krafla high-temperature area, NE-Iceland. United Nations University.

ⓘ Alunite

Formula: KAl₃(SO₄)₂(OH)₆

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Carson III, George Lougheed (2015) Hydrothermal Acid-sulfate Alteration at Krafla and Námafjall, Ne Iceland: Implications for Gusev Crater and Meridiani Planum, Mars. The University of Wisconsin-Milwaukee.

ⓘ Alunogen

Formula: Al₂(SO₄)₃ · 17H₂O

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Analcime

Formula: Na(AlSi₂O₆) · H₂O

Localities: Reported from at least 7 localities in this region.

ⓘ Anatase

Formula: TiO₂

Localities:

Hverir fumarole, Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland
Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ Andradite

Formula: Ca₃Fe³⁺₂(SiO₄)₃

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern 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

ⓘ Anhydrite

Formula: CaSO₄

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Tamjidi, A. Borehole geology and hydrotermal alteration of well KJ-29 in the Krafla high-temperature area, NE-Iceland. United Nations University.

ⓘ Anorthite

Formula: Ca(Al₂Si₂O₈)

Locality: Bárðarbunga Volcano, Þingeyjarsveit, Northeastern Region, Iceland

References:

Furman, Tanya; Kincaid, Denali; Brady, Collin Oborn (2025) Evolution of Mafic Tungnárhraun Lavas: Transcrustal Magma Storage and Ascent Beneath the Bárðarbunga Volcanic System. Minerals, 15 (7). doi:10.3390/min15070687

ⓘ 'Apophyllite Group'

Formula: AB₄[Si₈O₂₀]X · 8H₂O

Localities:

Unnamed quarry, Siglufjörður, Fjallabyggð, Northeastern Region, Iceland
Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland

ⓘ Arsenopyrite

Formula: FeAsS

Locality: Askja Volcano, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Lupi, M., Geiger, S., Carey, R.J., Thordarson, T., Houghton, B.F. (2011) A model for syn-eruptive groundwater flow during the phreatoplinian phase of the 28–29 March 1875 Askja volcano eruption, Iceland. Journal of Volcanology and Geothermal Research, 203 (3). 146-157 doi:10.1016/j.jvolgeores.2011.04.009

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

Locality: Hverir fumarole, Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Carson, George L., McHenry, Lindsay J., Hynek, Brian M., Cameron, Barry I., Glenister, Chase T. (2023) Mineralogy and bulk geochemistry of a fumarole at Hverir, Iceland: Analog for acid-sulfate leaching on Mars. American Mineralogist, 108 (3) 409-429 doi:10.2138/am-2022-8363

ⓘ Baryte

Formula: BaSO₄

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Calcite

Formula: CaCO₃

Localities:

Ólafsfjarðarmúli, Dalvík, Dalvíkurbyggð, Northeastern Region, Iceland
Jarðböðin, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland
Unnamed quarry, Siglufjörður, Fjallabyggð, Northeastern Region, Iceland
Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland
Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ 'Chabazite'

Localities: Reported from at least 7 localities in this region.

ⓘ Chabazite-Ca

Formula: (Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O

Locality: Unnamed quarry, Siglufjörður, Fjallabyggð, Northeastern Region, Iceland

References:

Personally collected by Günter Frenz

ⓘ 'Chlorite Group'

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Tamjidi, A. Borehole geology and hydrotermal alteration of well KJ-29 in the Krafla high-temperature area, NE-Iceland. United Nations University.

Escobedo, David, Patrier, Patricia, Beaufort, Daniel, Gibert, Benoit, Levy, Léa, Findling, Nathaniel, Mortensen, Annette (2021) Contribution of the Paragenetic Sequence of Clay Minerals to Re-Examination of the Alteration Zoning in the Krafla Geothermal System. Minerals, 11 (9) 935 doi:10.3390/min11090935

ⓘ 'Clinopyroxene Subgroup'

Locality: Bárðarbunga Volcano, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Corrensite

Formula: (Mg,Fe)₉((Si,Al)₈O₂₀)(OH)₁₀ · nH₂O

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Cowlesite

Formula: CaAl₂Si₃O₁₀ · 6H₂O

Localities:

Sauðanes, Siglufjörður, Fjallabyggð, Northeastern Region, Iceland
Ytrík, Dalvík, Dalvíkurbyggð, Northeastern Region, Iceland

ⓘ Cristobalite

Formula: SiO₂

Localities:

Hrafntinnuhryggur, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland
Hverir fumarole, Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland
Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ Enstatite

Formula: Mg₂Si₂O₆

Locality: Bárðarbunga Volcano, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Epidote

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

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

2009 Portland GSA Annual Meeting (18-21 October 2009) Paper No. 26-24

Tamjidi, A. Borehole geology and hydrotermal alteration of well KJ-29 in the Krafla high-temperature area, NE-Iceland. United Nations University.

ⓘ Epistilbite

Formula: CaAl₂Si₆O₁₆ · 5H₂O

Localities:

Vegastaðir, Svalbarðsstrandarhreppur, Northeastern Region, Iceland
Unnamed quarry, Siglufjörður, Fjallabyggð, Northeastern Region, Iceland
Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland

ⓘ Epsomite

Formula: MgSO₄ · 7H₂O

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ 'Erionite Subgroup'

Formula: M₂[Al₄Si₁₄O₃₆] · 15H₂O

Localities:

Hofsá river, Dalvíkurbyggð, Northeastern Region, Iceland
Akureyri, Akureyrarbær, Northeastern Region, Iceland

ⓘ 'Feldspar Group'

Locality: Bárðarbunga Volcano, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Ferricopiapite

Formula: Fe³⁺_0.67Fe³⁺₄(SO₄)₆(OH)₂ · 20H₂O

Localities:

Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland
Hverir fumarole, Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ Forsterite

Formula: Mg₂(SiO₄)

Locality: Bárðarbunga Volcano, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Goethite

Formula: Fe³⁺O(OH)

Localities:

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

Localities:

ⓘ Gyrolite

Formula: NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O

Locality: Unnamed quarry, Siglufjörður, Fjallabyggð, Northeastern Region, Iceland

References:

Personally collected by Günter Frenz

ⓘ Halotrichite

Formula: Fe²⁺Al₂(SO₄)₄ · 22H₂O

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Haycockite

Formula: Cu₄Fe₅S₈

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Lévy, L., Gibert, B., Sigmundsson, F., Deldicque, D., Parat, F., & Hersir, G. P. (2019). Tracking magmatic hydrogen sulfur circulations using electrical impedance: complex electrical properties of core samples at the krafla volcano, iceland. Journal of Geophysical Research: Solid Earth, 124(3), 2492-2509.

ⓘ Hematite

Formula: Fe₂O₃

Localities:

ⓘ Hematite var. Titanohematite

Formula: (Fe,Ti)₂O₃

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ 'Heulandite Subgroup'

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

Localities: Reported from at least 6 localities in this region.

ⓘ 'Hypersthene'

Formula: (Mg,Fe)SiO₃

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Jarosite

Formula: KFe³⁺₃(SO₄)₂(OH)₆

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

Localities:

Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland
Hverir fumarole, Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland
Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ 'K Feldspar'

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Tamjidi, A. Borehole geology and hydrotermal alteration of well KJ-29 in the Krafla high-temperature area, NE-Iceland. United Nations University.

ⓘ 'K Feldspar var. Adularia'

Formula: KAlSi₃O₈

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Tamjidi, A. Borehole geology and hydrotermal alteration of well KJ-29 in the Krafla high-temperature area, NE-Iceland. United Nations University.

ⓘ Laumontite

Formula: CaAl₂Si₄O₁₂ · 4H₂O

Localities:

Unnamed gully, Flateyjardalur, Þingeyjarsveit, Northeastern Region, Iceland
Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland
Tungugil, Flateyjardalur, Þingeyjarsveit, Northeastern Region, Iceland
Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ 'Lévyne'

Localities: Reported from at least 7 localities in this region.

ⓘ Lévyne-Ca

Formula: (Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O

Locality: Unnamed quarry, Siglufjörður, Fjallabyggð, Northeastern Region, Iceland

References:

Personally collected by Günter Frenz

ⓘ Maghemite

Formula: (Fe³⁺_0.67◻_0.33)Fe³⁺₂O₄

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Magnetite var. Titanium-bearing Magnetite

Formula: Fe²⁺(Fe³⁺,Ti)₂O₄

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Meniaylovite

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

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern 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.

ⓘ Merlinoite

Formula: K₅Ca₂(Si₂₃Al₉)O₆₄ · 24H₂O

Locality: Hallbjarnarstaðará, Tjörnes, Tjörneshreppur, Northeastern Region, Iceland

References:

Schnorrer-Köhler, G. (1990): Merlinoit - ein neues Zeolithmineral von der Halbinsel Tjörnes, N-Island. Der Aufschluss, 41 (5): 295-298.

ⓘ Mesolite

Formula: Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O

Localities:

Unnamed gully, Flateyjardalur, Þingeyjarsveit, Northeastern Region, Iceland
Unnamed quarry, Siglufjörður, Fjallabyggð, Northeastern Region, Iceland
Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland
Hrafnagil, Eyjafjarðarsveit, Northeastern Region, Iceland
Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ Montmorillonite

Formula: (Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Mordenite

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

Localities:

Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland
Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Muscovite var. Illite

Formula: K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Native Sulphur

Formula: S₈

Localities:

Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland
Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland
Hverir fumarole, Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ Natroalunite

Formula: NaAl₃(SO₄)₂(OH)₆

Localities:

ⓘ 'Natroalunite-2c'

Formula: (Na,Ca_0.5,K)Al₃(SO₄)₂(OH)₆

Locality: Hverir fumarole, Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Natrojarosite

Formula: NaFe₃(SO₄)₂(OH)₆

Localities:

ⓘ Opal

Formula: SiO₂ · nH₂O

Locality: Hverir fumarole, Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

Localities:

Bárðarbunga Volcano, Þingeyjarsveit, Northeastern Region, Iceland
Unnamed quarry, Siglufjörður, Fjallabyggð, Northeastern Region, Iceland
Hverir fumarole, Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ Prehnite

Formula: Ca₂Al₂Si₃O₁₀(OH)₂

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Tamjidi, A. Borehole geology and hydrotermal alteration of well KJ-29 in the Krafla high-temperature area, NE-Iceland. United Nations University.

ⓘ Pyrite

Formula: FeS₂

Localities:

Unnamed quarry, Siglufjörður, Fjallabyggð, Northeastern Region, Iceland
Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland
Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ Pyrrhotite

Formula: Fe_1-xS

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Tamjidi, A. Borehole geology and hydrotermal alteration of well KJ-29 in the Krafla high-temperature area, NE-Iceland. United Nations University.

ⓘ Quartz

Formula: SiO₂

Localities:

Unnamed gully, Flateyjardalur, Þingeyjarsveit, Northeastern Region, Iceland
Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland
Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland
Hverir fumarole, Námaskarð Geothermal Area, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ Quartz var. Chalcedony

Formula: SiO₂

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Tamjidi, A. Borehole geology and hydrotermal alteration of well KJ-29 in the Krafla high-temperature area, NE-Iceland. United Nations University.

ⓘ Rhomboclase

Formula: (H₅O₂)Fe³⁺(SO₄)₂ · 2H₂O

Localities:

ⓘ Rosickýite

Formula: S

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ Rostite

Formula: Al(SO₄)(OH) · 5H₂O

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Rozenite

Formula: FeSO₄ · 4H₂O

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Rutile

Formula: TiO₂

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Saponite

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

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Scolecite

Formula: CaAl₂Si₃O₁₀ · 3H₂O

Localities:

Stapi, Flateyjardalur, Þingeyjarsveit, Northeastern Region, Iceland
Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

ⓘ 'Smectite Group'

Formula: A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O

Localities:

ⓘ Starkeyite

Formula: MgSO₄ · 4H₂O

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Stellerite

Formula: Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Tamjidi, A. Borehole geology and hydrotermal alteration of well KJ-29 in the Krafla high-temperature area, NE-Iceland. United Nations University.

ⓘ Stilbite-Ca

Formula: NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O

Locality: Unnamed quarry, Siglufjörður, Fjallabyggð, Northeastern Region, Iceland

References:

Personally collected by Günter Frenz

ⓘ 'Stilbite Subgroup'

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

Localities: Reported from at least 6 localities in this region.

ⓘ Szomolnokite

Formula: FeSO₄ · H₂O

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Thomsonite-Ca

Formula: NaCa₂[Al₅Si₅O₂₀] · 6H₂O

Localities:

Sauðanes, Siglufjörður, Fjallabyggð, Northeastern Region, Iceland
Ytrík, Dalvík, Dalvíkurbyggð, Northeastern Region, Iceland

ⓘ 'Thomsonite Subgroup'

Localities:

Hallbjarnarstaðará, Tjörnes, Tjörneshreppur, Northeastern Region, Iceland
Unnamed quarry, Siglufjörður, Fjallabyggð, Northeastern Region, Iceland
Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland
Ólafsfjarðarmúli, Dalvík, Dalvíkurbyggð, Northeastern Region, Iceland

ⓘ Titanite

Formula: CaTiO(SiO₄)

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Tridymite

Formula: SiO₂

Locality: Hrafntinnuhryggur, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Found by Björn Mamat (inclusions in Obsidian)

ⓘ Troilite

Formula: FeS

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Variscite

Formula: AlPO₄ · 2H₂O

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

ⓘ Wairakite

Formula: Ca(Al₂Si₄O₁₂) · 2H₂O

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Tamjidi, A. Borehole geology and hydrotermal alteration of well KJ-29 in the Krafla high-temperature area, NE-Iceland. United Nations University.

ⓘ Wollastonite

Formula: Ca₃(Si₃O₉)

Locality: Krafla Volcano, Myvatn, Skútustaðahreppur, Þingeyjarsveit, Northeastern Region, Iceland

References:

Tamjidi, A. Borehole geology and hydrotermal alteration of well KJ-29 in the Krafla high-temperature area, NE-Iceland. United Nations University.

Kristmannsdóttir, H. (1981) Wollastonite from hydrothermally altered basaltic rocks in Iceland. Mineralogical Magazine, 44 (333) 95-99 doi:10.1180/minmag.1981.44.333.15

Gallery:

ⓘ 'Lévyne'

Lévyne

Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland

Lévyne

Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland

Lévyne

Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland

Na₂Ca₂Si₉Al₆O₃₀ · 8H₂Oⓘ Mesolite

Mesolite

Akureyri, Akureyrarbær, Northeastern Region, Iceland

Mesolite

Akureyri, Akureyrarbær, Northeastern Region, Iceland

Mesolite

Akureyri, Akureyrarbær, Northeastern Region, Iceland

(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂Oⓘ Mordenite

Mordenite

Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland

Mordenite

Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland

Mordenite

Vaðlaheiði Tunnel, Svalbarðsstrandarhreppur, Northeastern Region, Iceland

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Rosickýite	1.CC.05	S
ⓘ	Native Sulphur	1.CC.05	S₈
Group 2 - Sulphides and Sulfosalts
ⓘ	Haycockite	2.CB.10b	Cu₄Fe₅S₈
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Troilite	2.CC.10	FeS
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Arsenopyrite	2.EB.20	FeAsS
Group 3 - Halides
ⓘ	Meniaylovite	3.CG.10	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	var. Titanium-bearing Magnetite	4.BB.05	Fe²⁺(Fe³⁺,Ti)₂O₄
ⓘ	Maghemite	4.BB.15	(Fe³⁺_0.67◻_0.33)Fe³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Hematite var. Titanohematite	4.CB.05	(Fe,Ti)₂O₃
ⓘ	Quartz var. Chalcedony	4.DA.05	SiO₂
ⓘ		4.DA.05	SiO₂
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	Tridymite	4.DA.10	SiO₂
ⓘ	Cristobalite	4.DA.15	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
ⓘ	Anatase	4.DD.05	TiO₂
ⓘ	Goethite	4.FD.10	Fe³⁺O(OH)
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Anhydrite	7.AD.30	CaSO₄
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Alunite	7.BC.10	KAl₃(SO₄)₂(OH)₆
ⓘ	Jarosite	7.BC.10	KFe³⁺₃(SO₄)₂(OH)₆
ⓘ	'Natroalunite-2c'	7.BC.10	(Na,Ca_0.5,K)Al₃(SO₄)₂(OH)₆
ⓘ	Natroalunite	7.BC.10	NaAl₃(SO₄)₂(OH)₆
ⓘ	Natrojarosite	7.BC.10	NaFe₃(SO₄)₂(OH)₆
ⓘ	Szomolnokite	7.CB.05	FeSO₄ · H₂O
ⓘ	Rozenite	7.CB.15	FeSO₄ · 4H₂O
ⓘ	Starkeyite	7.CB.15	MgSO₄ · 4H₂O
ⓘ	Epsomite	7.CB.40	MgSO₄ · 7H₂O
ⓘ	Alunogen	7.CB.45	Al₂(SO₄)₃ · 17H₂O
ⓘ	Rhomboclase	7.CB.55	(H₅O₂)Fe³⁺(SO₄)₂ · 2H₂O
ⓘ	Halotrichite	7.CB.85	Fe²⁺Al₂(SO₄)₄ · 22H₂O
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
ⓘ	Rostite	7.DB.10	Al(SO₄)(OH) · 5H₂O
ⓘ	Ferricopiapite	7.DB.35	Fe³⁺_0.67Fe³⁺₄(SO₄)₆(OH)₂ · 20H₂O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Variscite	8.CD.10	AlPO₄ · 2H₂O
Group 9 - Silicates
ⓘ	Forsterite	9.AC.05	Mg₂(SiO₄)
ⓘ	Andradite	9.AD.25	Ca₃Fe³⁺₂(SiO₄)₃
ⓘ	Titanite	9.AG.15	CaTiO(SiO₄)
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Enstatite	9.DA.05	Mg₂Si₂O₆
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Wollastonite	9.DG.05	Ca₃(Si₃O₉)
ⓘ	Prehnite	9.DP.20	Ca₂Al₂Si₃O₁₀(OH)₂
ⓘ	Muscovite var. Illite	9.EC.15	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
ⓘ		9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Montmorillonite	9.EC.40	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
ⓘ	Saponite	9.EC.45	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
ⓘ	Corrensite	9.EC.60	(Mg,Fe)₉((Si,Al)₈O₂₀)(OH)₁₀ · nH₂O
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Gyrolite	9.EE.30	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
ⓘ	Anorthite	9.FA.35	Ca(Al₂Si₂O₈)
ⓘ	Mesolite	9.GA.05	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
ⓘ	Scolecite	9.GA.05	CaAl₂Si₃O₁₀ · 3H₂O
ⓘ	Thomsonite-Ca	9.GA.10	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
ⓘ	Analcime	9.GB.05	Na(AlSi₂O₆) · H₂O
ⓘ	Wairakite	9.GB.05	Ca(Al₂Si₄O₁₂) · 2H₂O
ⓘ	Laumontite	9.GB.10	CaAl₂Si₄O₁₂ · 4H₂O
ⓘ	Merlinoite	9.GC.15	K₅Ca₂(Si₂₃Al₉)O₆₄ · 24H₂O
ⓘ	Chabazite-Ca	9.GD.10	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
ⓘ	Lévyne-Ca	9.GD.15	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
ⓘ	Mordenite	9.GD.35	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
ⓘ	Epistilbite	9.GD.45	CaAl₂Si₆O₁₆ · 5H₂O
ⓘ	Stilbite-Ca	9.GE.10	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
ⓘ	Stellerite	9.GE.15	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
ⓘ	Cowlesite	9.GG.05	CaAl₂Si₃O₁₀ · 6H₂O
Unclassified
ⓘ	'K Feldspar var. Adularia'	-	KAlSi₃O₈
ⓘ	'Apophyllite Group'	-	AB₄[Si₈O₂₀]X · 8H₂O
ⓘ	'Chabazite'	-
ⓘ	'Chlorite Group'	-
ⓘ	'Erionite Subgroup'	-	M₂[Al₄Si₁₄O₃₆] · 15H₂O
ⓘ	'Feldspar Group'	-
ⓘ	'Heulandite Subgroup'	-	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
ⓘ	'Hypersthene'	-	(Mg,Fe)SiO₃
ⓘ	'Lévyne'	-
ⓘ	'Stilbite Subgroup'	-	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'K Feldspar'	-
ⓘ	'Smectite Group'	-	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
ⓘ	'Thomsonite Subgroup'	-

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	ⓘ Alunite	KAl₃(SO₄)₂(OH)₆
H	ⓘ Alunogen	Al₂(SO₄)₃ · 17H₂O
H	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
H	ⓘ Apophyllite Group	AB₄[Si₈O₂₀]X · 8H₂O
H	ⓘ Corrensite	(Mg,Fe)₉((Si,Al)₈O₂₀)(OH)₁₀ · nH₂O
H	ⓘ Cowlesite	CaAl₂Si₃O₁₀ · 6H₂O
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Epistilbite	CaAl₂Si₆O₁₆ · 5H₂O
H	ⓘ Epsomite	MgSO₄ · 7H₂O
H	ⓘ Erionite Subgroup	M₂[Al₄Si₁₄O₃₆] · 15H₂O
H	ⓘ Ferricopiapite	Fe³⁺_0.67Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
H	ⓘ Goethite	Fe³⁺O(OH)
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
H	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
H	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
H	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
H	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
H	ⓘ Merlinoite	K₅Ca₂(Si₂₃Al₉)O₆₄ · 24H₂O
H	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
H	ⓘ Natroalunite-2c	(Na,Ca_0.5,K)Al₃(SO₄)₂(OH)₆
H	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Natroalunite	NaAl₃(SO₄)₂(OH)₆
H	ⓘ Natrojarosite	NaFe₃(SO₄)₂(OH)₆
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
H	ⓘ Rhomboclase	(H₅O₂)Fe³⁺(SO₄)₂ · 2H₂O
H	ⓘ Rostite	Al(SO₄)(OH) · 5H₂O
H	ⓘ Rozenite	FeSO₄ · 4H₂O
H	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
H	ⓘ Starkeyite	MgSO₄ · 4H₂O
H	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
H	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
H	ⓘ Szomolnokite	FeSO₄ · H₂O
H	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
H	ⓘ Variscite	AlPO₄ · 2H₂O
H	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
H	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
H	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
H	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
H	ⓘ Smectite Group	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
H	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
O	ⓘ Alunite	KAl₃(SO₄)₂(OH)₆
O	ⓘ Alunogen	Al₂(SO₄)₃ · 17H₂O
O	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
O	ⓘ Anatase	TiO₂
O	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
O	ⓘ Anhydrite	CaSO₄
O	ⓘ Anorthite	Ca(Al₂Si₂O₈)
O	ⓘ Apophyllite Group	AB₄[Si₈O₂₀]X · 8H₂O
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Baryte	BaSO₄
O	ⓘ Calcite	CaCO₃
O	ⓘ Quartz var. Chalcedony	SiO₂
O	ⓘ Corrensite	(Mg,Fe)₉((Si,Al)₈O₂₀)(OH)₁₀ · nH₂O
O	ⓘ Cowlesite	CaAl₂Si₃O₁₀ · 6H₂O
O	ⓘ Cristobalite	SiO₂
O	ⓘ Enstatite	Mg₂Si₂O₆
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Epistilbite	CaAl₂Si₆O₁₆ · 5H₂O
O	ⓘ Epsomite	MgSO₄ · 7H₂O
O	ⓘ Erionite Subgroup	M₂[Al₄Si₁₄O₃₆] · 15H₂O
O	ⓘ Ferricopiapite	Fe³⁺_0.67Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
O	ⓘ Forsterite	Mg₂(SiO₄)
O	ⓘ Goethite	Fe³⁺O(OH)
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
O	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
O	ⓘ Hypersthene	(Mg,Fe)SiO₃
O	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
O	ⓘ Maghemite	(Fe³⁺_0.67◻_0.33)Fe₂³⁺O₄
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Merlinoite	K₅Ca₂(Si₂₃Al₉)O₆₄ · 24H₂O
O	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
O	ⓘ Natroalunite-2c	(Na,Ca_0.5,K)Al₃(SO₄)₂(OH)₆
O	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Natroalunite	NaAl₃(SO₄)₂(OH)₆
O	ⓘ Natrojarosite	NaFe₃(SO₄)₂(OH)₆
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Rhomboclase	(H₅O₂)Fe³⁺(SO₄)₂ · 2H₂O
O	ⓘ Rostite	Al(SO₄)(OH) · 5H₂O
O	ⓘ Rozenite	FeSO₄ · 4H₂O
O	ⓘ Rutile	TiO₂
O	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
O	ⓘ Starkeyite	MgSO₄ · 4H₂O
O	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
O	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
O	ⓘ Szomolnokite	FeSO₄ · H₂O
O	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
O	ⓘ Titanite	CaTiO(SiO₄)
O	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
O	ⓘ Tridymite	SiO₂
O	ⓘ Variscite	AlPO₄ · 2H₂O
O	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
O	ⓘ Wollastonite	Ca₃(Si₃O₉)
O	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
O	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
O	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Smectite Group	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
O	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
O	ⓘ Hematite var. Titanohematite	(Fe,Ti)₂O₃
F	Fluorine
F	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
Na	Sodium
Na	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Na	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Na	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Na	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Na	ⓘ Natroalunite-2c	(Na,Ca_0.5,K)Al₃(SO₄)₂(OH)₆
Na	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Na	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Na	ⓘ Natroalunite	NaAl₃(SO₄)₂(OH)₆
Na	ⓘ Natrojarosite	NaFe₃(SO₄)₂(OH)₆
Na	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Na	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Na	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
Na	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Corrensite	(Mg,Fe)₉((Si,Al)₈O₂₀)(OH)₁₀ · nH₂O
Mg	ⓘ Enstatite	Mg₂Si₂O₆
Mg	ⓘ Epsomite	MgSO₄ · 7H₂O
Mg	ⓘ Forsterite	Mg₂(SiO₄)
Mg	ⓘ Hypersthene	(Mg,Fe)SiO₃
Mg	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Mg	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Mg	ⓘ Starkeyite	MgSO₄ · 4H₂O
Al	Aluminium
Al	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
Al	ⓘ Alunite	KAl₃(SO₄)₂(OH)₆
Al	ⓘ Alunogen	Al₂(SO₄)₃ · 17H₂O
Al	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Al	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Al	ⓘ Corrensite	(Mg,Fe)₉((Si,Al)₈O₂₀)(OH)₁₀ · nH₂O
Al	ⓘ Cowlesite	CaAl₂Si₃O₁₀ · 6H₂O
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Epistilbite	CaAl₂Si₆O₁₆ · 5H₂O
Al	ⓘ Erionite Subgroup	M₂[Al₄Si₁₄O₃₆] · 15H₂O
Al	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Al	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
Al	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Al	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Al	ⓘ Merlinoite	K₅Ca₂(Si₂₃Al₉)O₆₄ · 24H₂O
Al	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Al	ⓘ Natroalunite-2c	(Na,Ca_0.5,K)Al₃(SO₄)₂(OH)₆
Al	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Natroalunite	NaAl₃(SO₄)₂(OH)₆
Al	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Al	ⓘ Rostite	Al(SO₄)(OH) · 5H₂O
Al	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
Al	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
Al	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Al	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Al	ⓘ Variscite	AlPO₄ · 2H₂O
Al	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
Al	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Al	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
Al	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Al	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
Si	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Si	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Si	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Si	ⓘ Apophyllite Group	AB₄[Si₈O₂₀]X · 8H₂O
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Quartz var. Chalcedony	SiO₂
Si	ⓘ Corrensite	(Mg,Fe)₉((Si,Al)₈O₂₀)(OH)₁₀ · nH₂O
Si	ⓘ Cowlesite	CaAl₂Si₃O₁₀ · 6H₂O
Si	ⓘ Cristobalite	SiO₂
Si	ⓘ Enstatite	Mg₂Si₂O₆
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Epistilbite	CaAl₂Si₆O₁₆ · 5H₂O
Si	ⓘ Erionite Subgroup	M₂[Al₄Si₁₄O₃₆] · 15H₂O
Si	ⓘ Forsterite	Mg₂(SiO₄)
Si	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Si	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Si	ⓘ Hypersthene	(Mg,Fe)SiO₃
Si	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Si	ⓘ Merlinoite	K₅Ca₂(Si₂₃Al₉)O₆₄ · 24H₂O
Si	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Si	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
Si	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
Si	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Si	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Si	ⓘ Titanite	CaTiO(SiO₄)
Si	ⓘ Tridymite	SiO₂
Si	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
Si	ⓘ Wollastonite	Ca₃(Si₃O₉)
Si	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Si	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
Si	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
P	Phosphorus
P	ⓘ Variscite	AlPO₄ · 2H₂O
S	Sulfur
S	ⓘ Alunite	KAl₃(SO₄)₂(OH)₆
S	ⓘ Alunogen	Al₂(SO₄)₃ · 17H₂O
S	ⓘ Anhydrite	CaSO₄
S	ⓘ Arsenopyrite	FeAsS
S	ⓘ Baryte	BaSO₄
S	ⓘ Epsomite	MgSO₄ · 7H₂O
S	ⓘ Ferricopiapite	Fe³⁺_0.67Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
S	ⓘ Haycockite	Cu₄Fe₅S₈
S	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
S	ⓘ Natroalunite-2c	(Na,Ca_0.5,K)Al₃(SO₄)₂(OH)₆
S	ⓘ Natroalunite	NaAl₃(SO₄)₂(OH)₆
S	ⓘ Natrojarosite	NaFe₃(SO₄)₂(OH)₆
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Rhomboclase	(H₅O₂)Fe³⁺(SO₄)₂ · 2H₂O
S	ⓘ Rosickýite	S
S	ⓘ Rostite	Al(SO₄)(OH) · 5H₂O
S	ⓘ Rozenite	FeSO₄ · 4H₂O
S	ⓘ Starkeyite	MgSO₄ · 4H₂O
S	ⓘ Native Sulphur	S₈
S	ⓘ Szomolnokite	FeSO₄ · H₂O
S	ⓘ Troilite	FeS
S	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
K	Potassium
K	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
K	ⓘ Alunite	KAl₃(SO₄)₂(OH)₆
K	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
K	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
K	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
K	ⓘ Merlinoite	K₅Ca₂(Si₂₃Al₉)O₆₄ · 24H₂O
K	ⓘ Natroalunite-2c	(Na,Ca_0.5,K)Al₃(SO₄)₂(OH)₆
K	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
K	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
Ca	Calcium
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Ca	ⓘ Anhydrite	CaSO₄
Ca	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Cowlesite	CaAl₂Si₃O₁₀ · 6H₂O
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Epistilbite	CaAl₂Si₆O₁₆ · 5H₂O
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Ca	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Ca	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Ca	ⓘ Merlinoite	K₅Ca₂(Si₂₃Al₉)O₆₄ · 24H₂O
Ca	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Ca	ⓘ Natroalunite-2c	(Na,Ca_0.5,K)Al₃(SO₄)₂(OH)₆
Ca	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Ca	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Ca	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Ca	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Ca	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
Ca	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
Ca	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Ca	ⓘ Titanite	CaTiO(SiO₄)
Ca	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
Ca	ⓘ Wollastonite	Ca₃(Si₃O₉)
Ca	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Ca	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
Ca	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ca	ⓘ Meniaylovite	Ca₄[(SO₄)(SiF₆)(AlF₆)]F · 12H₂O
Ti	Titanium
Ti	ⓘ Anatase	TiO₂
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Titanite	CaTiO(SiO₄)
Ti	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Ti	ⓘ Hematite var. Titanohematite	(Fe,Ti)₂O₃
Fe	Iron
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Corrensite	(Mg,Fe)₉((Si,Al)₈O₂₀)(OH)₁₀ · nH₂O
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Ferricopiapite	Fe³⁺_0.67Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
Fe	ⓘ Goethite	Fe³⁺O(OH)
Fe	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
Fe	ⓘ Haycockite	Cu₄Fe₅S₈
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Hypersthene	(Mg,Fe)SiO₃
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
Fe	ⓘ Maghemite	(Fe³⁺_0.67◻_0.33)Fe₂³⁺O₄
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Natrojarosite	NaFe₃(SO₄)₂(OH)₆
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Rhomboclase	(H₅O₂)Fe³⁺(SO₄)₂ · 2H₂O
Fe	ⓘ Rozenite	FeSO₄ · 4H₂O
Fe	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Fe	ⓘ Szomolnokite	FeSO₄ · H₂O
Fe	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Fe	ⓘ Troilite	FeS
Fe	ⓘ Hematite var. Titanohematite	(Fe,Ti)₂O₃
Cu	Copper
Cu	ⓘ Haycockite	Cu₄Fe₅S₈
As	Arsenic
As	ⓘ Arsenopyrite	FeAsS
Ba	Barium
Ba	ⓘ Baryte	BaSO₄

Fossils

There are 252 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

252

Youngest Fossil Listed

0.01 Ma (Pleistocene)

Oldest Fossil Listed

5.33 Ma (Miocene)

Stratigraphic Units

Unit	No. Occurrences	Age
Breidavik	49	3.6 - 2.588 Ma (Cenozoic)
Tjörnes	1	5.333 - 3.6 Ma (Neogene)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Gastropoda class	Animalia : Mollusca : Gastropoda	5.333 - 0.0117 Ma Cenozoic
Helcion genus	Animalia : Mollusca : Gastropoda : Patellidae : *Helcion*	2.588 - 0.0117 Ma Pleistocene
Gibbula genus	Animalia : Mollusca : Gastropoda : Trochida : Trochidae : *Gibbula*	5.333 - 2.588 Ma Cenozoic
Solariella genus	Animalia : Mollusca : Gastropoda : Trochida : Solariellidae : *Solariella*	2.588 - 0.0117 Ma Pleistocene
Cingula genus	Animalia : Mollusca : Gastropoda : Rissoidae : *Cingula*	5.333 - 2.588 Ma Cenozoic
Natica genus	Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : *Natica*	5.333 - 0.0117 Ma Cenozoic
Rissoa genus	Animalia : Mollusca : Gastropoda : Littorinimorpha : Rissoidae : *Rissoa*	2.588 - 0.0117 Ma Pleistocene
Bela genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Mangeliidae : *Bela*	2.588 - 0.0117 Ma Pleistocene
Buccinum genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : *Buccinum*	5.333 - 2.588 Ma Cenozoic
Columbella genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Columbellidae : *Columbella*	2.588 - 0.0117 Ma Pleistocene
Colus genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : *Colus*	5.333 - 3.6 Ma Neogene
Nassarius genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Nassariidae : *Nassarius*	5.333 - 0.0117 Ma Cenozoic
Trophon (Sipho) subgenus	Animalia : Mollusca : Gastropoda : Neogastropoda : Muricidae : Trophon : *Trophon (Sipho)*	2.588 - 0.0117 Ma Pleistocene
Cylichna genus	Animalia : Mollusca : Gastropoda : Cephalaspidea : Cylichnidae : *Cylichna*	5.333 - 2.588 Ma Cenozoic
Bivalvia class	Animalia : Mollusca : Bivalvia	5.333 - 0.0117 Ma Cenozoic
Abra genus	Animalia : Mollusca : Bivalvia : Cardiida : Semelidae : *Abra*	5.333 - 2.588 Ma Cenozoic
Astarte genus	Animalia : Mollusca : Bivalvia : Carditida : Astartidae : *Astarte*	2.588 - 0.0117 Ma Pleistocene
Cardium genus	Animalia : Mollusca : Bivalvia : *Cardium*	5.333 - 0.0117 Ma Cenozoic
Macoma genus	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : *Macoma*	3.6 - 0.0117 Ma Cenozoic
Spisula genus	Animalia : Mollusca : Bivalvia : Venerida : Mactridae : *Spisula*	2.588 - 0.0117 Ma Pleistocene
Venerupis genus	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Venerupis*	5.333 - 2.588 Ma Cenozoic
Cyrtodaria genus	Animalia : Mollusca : Bivalvia : Adapedonta : Hiatellidae : *Cyrtodaria*	3.6 - 2.588 Ma Cenozoic
Lentidium genus	Animalia : Mollusca : Bivalvia : Myida : Corbulidae : *Lentidium*	2.588 - 0.0117 Ma Pleistocene
Mya genus	Animalia : Mollusca : Bivalvia : Myida : Myidae : *Mya*	5.333 - 0.0117 Ma Cenozoic
Panomya genus	Animalia : Mollusca : Bivalvia : Adapedonta : Hiatellidae : *Panomya*	5.333 - 2.588 Ma Cenozoic
Thracia genus	Animalia : Mollusca : Bivalvia : Thraciidae : *Thracia*	2.588 - 0.0117 Ma Pleistocene
Balanus genus	Animalia : Arthropoda : Maxillopoda : Sessilia : Balanidae : *Balanus*	5.333 - 3.6 Ma Neogene
Eubalaena genus	Animalia : Chordata : Mammalia : Cetacea : Balaenidae : *Eubalaena*	5.333 - 3.6 Ma Neogene
Lentidium complanatum species	Animalia : Mollusca : Bivalvia : Pholadida : Corbulidae : Lentidium : *Lentidium complanatum*	5.333 - 0.0117 Ma Cenozoic
Acteon genus	Animalia : Mollusca : Gastropoda : Cephalaspidea : Acteonidae : *Acteon*	2.588 - 0.0117 Ma Pleistocene
Nuculana minuta species	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : Nuculana : *Nuculana minuta*	2.588 - 0.0117 Ma Pleistocene
Mytilus edulis species	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Mytilus : *Mytilus edulis*	5.333 - 0.0117 Ma Cenozoic
Glycymeris glycymeris species	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : Glycymeris : *Glycymeris glycymeris*	5.333 - 3.6 Ma Neogene
Buccinum undatum species	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Buccinum : *Buccinum undatum*	2.588 - 0.0117 Ma Pleistocene
Serripes (Serripes) groenlandicus species	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Serripes : *Serripes (Serripes) groenlandicus*	5.333 - 0.0117 Ma Cenozoic
Panomya ampla species	Animalia : Mollusca : Bivalvia : Adapedonta : Hiatellidae : Panomya : *Panomya ampla*	3.6 - 2.588 Ma Cenozoic
Arctica islandica species	Animalia : Mollusca : Bivalvia : Veneroidei : Arcticidae : Arctica : *Arctica islandica*	5.333 - 0.0117 Ma Cenozoic
Astarte crenata species	Animalia : Mollusca : Bivalvia : Carditida : Astartidae : Astarte : *Astarte crenata*	2.588 - 0.0117 Ma Pleistocene
Cyclocardia borealis species	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Cyclocardia : *Cyclocardia borealis*	2.588 - 0.0117 Ma Pleistocene
Hiatella (Hiatella) arctica species	Animalia : Mollusca : Bivalvia : Hiatellida : Hiatellidae : Hiatella : *Hiatella (Hiatella) arctica*	2.588 - 0.0117 Ma Pleistocene
Macoma (Macoma) calcarea species	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Macoma : *Macoma (Macoma) calcarea*	2.588 - 0.0117 Ma Pleistocene
Mya pseudoarenaria species	Animalia : Mollusca : Bivalvia : Myida : Myidae : Mya : *Mya pseudoarenaria*	2.588 - 0.0117 Ma Pleistocene
Yoldia (Yoldia) myalis species	Animalia : Mollusca : Bivalvia : Nuculanida : Yoldiidae : Yoldia : *Yoldia (Yoldia) myalis*	2.588 - 0.0117 Ma Pleistocene
Clinocardium (Ciliatocardium) ciliatum species	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Ciliatocardium : *Clinocardium (Ciliatocardium) ciliatum*	5.333 - 2.588 Ma Cenozoic
Spisula arcuata species	Animalia : Mollusca : Bivalvia : Veneroidei : Mactridae : Spisula : *Spisula arcuata*	5.333 - 0.0117 Ma Cenozoic
Littorina saxatilis species	Animalia : Mollusca : Gastropoda : Littorinidae : Littorina : *Littorina saxatilis*	2.588 - 0.0117 Ma Pleistocene
Euspira pallida species	Animalia : Mollusca : Gastropoda : Naticidae : Euspira : *Euspira pallida*	2.588 - 0.0117 Ma Pleistocene
Cryptonatica affinis species	Animalia : Mollusca : Gastropoda : Naticidae : Cryptonatica : *Cryptonatica affinis*	2.588 - 0.0117 Ma Pleistocene
Trophon clathratus species	Animalia : Mollusca : Gastropoda : Neogastropoda : Muricidae : Trophon : *Trophon clathratus*	2.588 - 0.0117 Ma Pleistocene
Musculus niger species	Animalia : Mollusca : Bivalvia : Mytilida : Crenellidae : Musculus : *Musculus niger*	2.588 - 0.0117 Ma Pleistocene
Curtitoma decussata species	Animalia : Mollusca : Gastropoda : Neogastropoda : Conidae : Curtitoma : *Curtitoma decussata*	2.588 - 0.0117 Ma Pleistocene
Admete viridula species	Animalia : Mollusca : Gastropoda : Neogastropoda : Cancellariidae : Admete : *Admete viridula*	2.588 - 0.0117 Ma Pleistocene
Calyptraea chinensis species	Animalia : Mollusca : Gastropoda : Calyptraeidae : Calyptraea : *Calyptraea chinensis*	3.6 - 0.0117 Ma Cenozoic
Onoba semicostata species	Animalia : Mollusca : Gastropoda : Rissoidae : Onoba : *Onoba semicostata*	5.333 - 2.588 Ma Cenozoic
Euspira helicina species	Animalia : Mollusca : Gastropoda : Naticidae : Euspira : *Euspira helicina*	2.588 - 0.0117 Ma Pleistocene
Acanthocardia (Acanthocardia) echinata species	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Acanthocardia : *Acanthocardia (Acanthocardia) echinata*	5.333 - 2.588 Ma Cenozoic
Propebela rugulata species	Animalia : Mollusca : Gastropoda : Neogastropoda : Conidae : Propebela : *Propebela rugulata*	2.588 - 0.0117 Ma Pleistocene
Propebela scalaris species	Animalia : Mollusca : Gastropoda : Neogastropoda : Conidae : Propebela : *Propebela scalaris*	2.588 - 0.0117 Ma Pleistocene
Cerastoderma edule species	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Cerastoderma : *Cerastoderma edule*	5.333 - 0.0117 Ma Cenozoic
Macoma (Macoma) obliqua species	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Macoma : *Macoma (Macoma) obliqua*	2.588 - 0.0117 Ma Pleistocene
Pygocardia rustica species	Animalia : Mollusca : Bivalvia : Veneroidei : Arcticidae : Pygocardia : *Pygocardia rustica*	3.6 - 0.0117 Ma Cenozoic
Macoma (Macoma) praetenuis species	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Macoma : *Macoma (Macoma) praetenuis*	5.333 - 0.0117 Ma Cenozoic
Cyrtodaria angusta species	Animalia : Mollusca : Bivalvia : Adapedonta : Hiatellidae : Cyrtodaria : *Cyrtodaria angusta*	5.333 - 0.0117 Ma Cenozoic
Chlamys (Chlamys) breidavikensis species	Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Chlamys : *Chlamys (Chlamys) breidavikensis*	2.588 - 0.781 Ma Pleistocene
Chlamys (Chlamys) tjornesensis species	Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Chlamys : *Chlamys (Chlamys) tjornesensis*	2.588 - 0.0117 Ma Pleistocene

Fossil Localities

Click to show 4 fossil localities

Iceland

Northeastern Region
- Norðurþing
  - Cenozoic🐚 Buchardt and Simonarson's Tjornes bed 3
- Tjörneshreppur
  - Pleistocene🐚 Breidhavik section
  - Neogene🐚 Tjörnes Peninsula
  - Cenozoic🐚 Tungukambur

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Northeastern_Region_(Iceland)
Wikidata ID:	Q241551
GeoNames ID:	3337404

Localities in this Region

Other Regions, Features and Areas that Intersect

Atlantic Ocean

Greenland-Iceland 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

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Detailed Mineral List:

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List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

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Northeastern Region, Iceland i
Regional Level Types
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