Szomolnokite : CSIRO Spectroscopy Database

Szomolnokite [ Fe(SO₄)·H₂O ]

Material properties

Formula	Fe(SO₄)·H₂O
Abbreviation	Szo
Classifications	Minerals containing SO4, Minerals containing H2O
IMA Status	Grandfathered (pre-IMA), 1891
Search other databases	webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry	Monoclinic, Point group 2/m, Space group C2/c (#15)
Tags	Hydrated , Mineral, Sulphate

Composition

Element	Atoms
S	1
Fe	1
O	5
H	2
Total:	9

Specimens of Szomolnokite

Name	Owner	Materials	Phase purity	Image
M0340 Pyrite / Szomolnokite	CSIRO	Pyrite, Quartz, Rhomboclase, Szomolnokite (18.0%)	18.0	M0340 Pyrite / Szomolnokite Image of Pyrite, Quartz, Rhomboclase and Szomolnokite in specimen 'M0340 Pyrite / Szomolnokite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.
M0347 Pyrite / Szomolnokite	CSIRO	Pyrite, Quartz, Szomolnokite (14.3%), Voltaite	14.3	M0347 Pyrite / Szomolnokite Image of Pyrite, Quartz, Szomolnokite and Voltaite in specimen 'M0347 Pyrite / Szomolnokite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.
M0341 Pyrite / Szomolnokite	CSIRO	Pyrite, Rhomboclase, Szomolnokite (12.9%)	12.9	M0341 Pyrite / Szomolnokite Image of Pyrite, Rhomboclase and Szomolnokite in specimen 'M0341 Pyrite / Szomolnokite' [CSIRO]. (C) 2025 CSIRO Mineral Resources. All rights reserved.
M0342 Pyrite	CSIRO	Pyrite, Quartz, Szomolnokite (7.8%)	7.8	M0342 Pyrite Image of Pyrite, Quartz and Szomolnokite in specimen 'M0342 Pyrite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.
M1872 Pyrite	CSIRO	Pyrite, Rhomboclase, Szomolnokite (6.1%)	6.1	M1872 Pyrite Image of Pyrite, Rhomboclase and Szomolnokite in specimen 'M1872 Pyrite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.
M2746 Chalcopyrite	CSIRO	Chalcopyrite, Pyrite, Quartz, Szomolnokite (5.0%)	5.0	M2746 Chalcopyrite Image of Chalcopyrite, Pyrite, Quartz and Szomolnokite in specimen 'M2746 Chalcopyrite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.
M0315 Chalcopyrite / Pyrite	CSIRO	Chalcopyrite, Jarosite, Pyrite, Siderite, Szomolnokite (4.6%)	4.6	M0315 Chalcopyrite / Pyrite Image of Chalcopyrite, Jarosite, Pyrite, Siderite and Szomolnokite in specimen 'M0315 Chalcopyrite / Pyrite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.
M0333 Pyrite	CSIRO	Anglesite, Covellite, Pyrite, Szomolnokite (4.4%)	4.4	M0333 Pyrite Image of Pyrite, Anglesite, Covellite and Szomolnokite in specimen 'M0333 Pyrite' [CSIRO]. (C) 2025 CSIRO Mineral Resources. All rights reserved.
M2687 Pyrrhotite	CSIRO	Arsenopyrite, Calcite, Mg, Magnetite, Pyrrhotite-4M, Pyrrhotite-5C, Sulfur, Szomolnokite (4.2%)	4.2	M2687 Pyrrhotite Image of Pyrrhotite-4M, Arsenopyrite, Calcite (var. Mg), Magnetite, Pyrrhotite-5C, Sulfur and Szomolnokite in specimen 'M2687 Pyrrhotite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.
M0356 Pyrite	CSIRO	Anglesite, Pyrite, Szomolnokite (3.8%)	3.8	M0356 Pyrite Image of Pyrite, Anglesite and Szomolnokite in specimen 'M0356 Pyrite' [CSIRO]. (C) 2025 CSIRO Mineral Resources. All rights reserved.
M0334 Pyrite / Muscovite	CSIRO	Chamosite-1MIIb, Jarosite, Muscovite-1M, Muscovite-2M1, Pyrite, Quartz, Szomolnokite (1.9%)	1.9	M0334 Pyrite / Muscovite Image of Pyrite, Chamosite-1MIIb, Jarosite, Muscovite-1M, Muscovite-2M1, Quartz and Szomolnokite in specimen 'M0334 Pyrite / Muscovite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.