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Peña de Hierro Mine, Nerva, Huelva, Andalusia, Spain

List of minerals arranged by Strunz 10th Edition classification
Group 2 - Sulphides and Sulfosalts
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Alpersite7.CB.35(Mg,Cu)[SO4] · 7H2O
Coquimbite7.CB.55Fe2-xAlx(SO4)3 · 9H2O, x ~0.5
Epsomite7.CB.40MgSO4 · 7H2O
Hexahydrite7.CB.25MgSO4 · 6H2O
Magnesiocopiapite7.DB.35MgFe3+4(SO4)6(OH)2 · 20H2O
Pickeringite7.CB.85MgAl2(SO4)4 · 22H2O
Rhomboclase7.CB.55(H5O2)Fe3+(SO4)2 · 2H2O
Starkeyite7.CB.15MgSO4 · 4H2O

9 entries listed. 9 valid minerals.


- Sáez, R., Pascual, E., Toscano, M., and Almodóvar, G.R. (1999): Mineralium Deposita 34, 549-570.
- Romero, A., I. Gonzalez & E. Galan (2006): The role of efflorescent sulfates in the storage of trace elements in stream waters polluted by acid mine-drainage: the case of Pena del Hierro, southwestern Spain. Canadian Mineralogist 44, 1431-1446.

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