Description: Szomolnokite is known from this locality from one 20 cm diameter geode where it occurred in shells of goethite that made up the former surface of 2 to 3 mm oxidized pyrite crystals. Szomolnokite crystals also occurred on the surrounding colorless quartz crystals.

References:

Sherwood, Mark D., Williams, Glenn A. (1998) Missouri Mineral Locality Index. Rocks & Minerals, 73 (2) 98-117 doi:10.1080/00357529809603046

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Millerite	2.CC.20	NiS
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Marcasite	2.EB.10a	FeS₂
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Goethite	4.00.	Fe³⁺O(OH)
ⓘ	Quartz var. Agate	4.DA.05	SiO₂
ⓘ	var. Chalcedony	4.DA.05	SiO₂
ⓘ		4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Smithsonite	5.AB.05	ZnCO₃
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
ⓘ	Aragonite	5.AB.15	CaCO₃
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Szomolnokite	7.CB.05	FeSO₄ · H₂O
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
ⓘ	Honessite	7.DD.35	(Ni_1-xFe³⁺_x)(OH)₂[SO₄]_x/2 · nH₂O
Group 9 - Silicates
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Goethite	Fe³⁺O(OH)
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Honessite	(Ni_1-xFe_x³⁺)(OH)₂[SO₄]_x/2 · nH₂O
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
H	ⓘ Szomolnokite	FeSO₄ · H₂O
C	Carbon
C	ⓘ Aragonite	CaCO₃
C	ⓘ Calcite	CaCO₃
C	ⓘ Dolomite	CaMg(CO₃)₂
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
C	ⓘ Smithsonite	ZnCO₃
O	Oxygen
O	ⓘ Quartz var. Agate	SiO₂
O	ⓘ Aragonite	CaCO₃
O	ⓘ Calcite	CaCO₃
O	ⓘ Quartz var. Chalcedony	SiO₂
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Goethite	Fe³⁺O(OH)
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Honessite	(Ni_1-xFe_x³⁺)(OH)₂[SO₄]_x/2 · nH₂O
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Smithsonite	ZnCO₃
O	ⓘ Szomolnokite	FeSO₄ · H₂O
F	Fluorine
F	ⓘ Fluorite	CaF₂
Mg	Magnesium
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Al	Aluminium
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	Silicon
Si	ⓘ Quartz var. Agate	SiO₂
Si	ⓘ Quartz var. Chalcedony	SiO₂
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Quartz	SiO₂
S	Sulfur
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Galena	PbS
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Honessite	(Ni_1-xFe_x³⁺)(OH)₂[SO₄]_x/2 · nH₂O
S	ⓘ Marcasite	FeS₂
S	ⓘ Millerite	NiS
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
S	ⓘ Szomolnokite	FeSO₄ · H₂O
Ca	Calcium
Ca	ⓘ Aragonite	CaCO₃
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Fe	Iron
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Goethite	Fe³⁺O(OH)
Fe	ⓘ Honessite	(Ni_1-xFe_x³⁺)(OH)₂[SO₄]_x/2 · nH₂O
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Szomolnokite	FeSO₄ · H₂O
Ni	Nickel
Ni	ⓘ Honessite	(Ni_1-xFe_x³⁺)(OH)₂[SO₄]_x/2 · nH₂O
Ni	ⓘ Millerite	NiS
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Zn	Zinc
Zn	ⓘ Smithsonite	ZnCO₃
Zn	ⓘ Sphalerite	ZnS
Pb	Lead
Pb	ⓘ Galena	PbS

Fossils

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Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Lewis_County,_Missouri
Wikidata ID:	Q490095
GeoNames ID:	5055902

Localities in this Region

USA

Missouri
- Lewis County

Other Regions, Features and Areas that Intersect

North AmericaContinent

North America PlateTectonic Plate

Illinois BasinBasin
Mazatzal DomainDomain
Mazatzal TerraneVolcanic Arc

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