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Hoelzel Classification

7 SULFATES CHROMATES MOLYBDATES WOLFRAMATES

7.C Sulfates (-Anions +Water)

7.CB Vitriol-Group, Mg,Fe,Co,Ni,Mn,Cu,Zn-Sulfates with 4 to 7 Water

7.CB.1 Starkeyite-Group

Starkeyite MgSO4·4H2O monoklin P21/n 2/m 7.CB.100
Cranswickite MgSO4·4H2O monoklin C2/c m 7.CB.105
Boyleite (Zn,Mg)SO4·4H2O monoklin P21/n 2/m 7.CB.120
Rozenite Fe2+SO4·4H2O monoklin P21/n 2/m 7.CB.130
Aplowite (Co,Mn,Ni)SO4·4H2O monoklin P21/n 2/m 7.CB.150
Ilesite (Mn,Zn,Fe2+)SO4·4H2O monoklin P21/n 2/m 7.CB.160
Drobecite CdSO4·4H2O monoklin P21/m 2/m 7.CB.170

7.CB.2 Pentahydrite-Group

Pentahydrite MgSO4·5H2O triklin P1 1 7.CB.200
Chalcanthite CuSO4·5H2O triklin P1 1 7.CB.210
Siderotil Fe(SO4)·5H2O triklin P1 1 7.CB.230
Jôkokuite MnSO4·5H2O triklin P1 1 7.CB.260

7.CB.3 Hexahydrite-Group

Hexahydrite MgSO4·6H2O monoklin C2/c 2/m 7.CB.300
Bianchite (Zn,Fe2+)(SO4)·6H2O monoklin C2/c 2/m 7.CB.320
Ferrohexahydrite Fe2+SO4·6H2O monoklin C2/c 2/m 7.CB.330
Retgersite NiSO4·6H2O tetragonal P41212, P43212 422, 422 7.CB.340
Nickelhexahydrite (Ni,Mg,Fe2+)(SO4)·6H2O monoklin A2/a 2/m 7.CB.345
Moorhouseite (Co,Ni,Mn)SO4·6H2O monoklin C2/c 2/m 7.CB.350
Chvaleticeite (Mn2+,Mg)SO4·6H2O monoklin C2/c 2/m 7.CB.360

7.CB.4 Epsomite-Group

Epsomite MgSO4·7H2O orthorhombisch P212121 222 7.CB.400
Alpersite (Mg)SO4·7H2O monoklin P21/c 2/m 7.CB.405
Boothite (Cu,Mg)(SO4)·7H2O monoklin 7.CB.410
Goslarite ZnSO4·7H2O orthorhombisch P212121 222 7.CB.420
Zincmelanterite (Zn,Fe2+)[SO4]·7H2O monoklin 7.CB.425
Melanterite Fe2+SO4·7H2O monoklin P21/c 2/m 7.CB.430
Morenosite NiSO4·7H2O orthorhombisch P212121 222 7.CB.440
Bieberite CoSO4·7 H2O monoklin P21/c 2/m 7.CB.450
Mallardite Mn2+SO4·7H2O monoklin P21/c 2/m 7.CB.460

7.CB.5

Meridianiite MgSO4·11H2O triklin P1 1 7.CB.550



Mineralsystematik-Übersicht