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Hölzel Systematik

7 Sulfate, Chromate, Molybdate, Wolframate, Tellurate

7.C Sulfate (Selenate, etc.) ohne weitere Anionen, mit H2O

7.CD Sulfates, C medium + large

7.CD.1 Alum-Gruppe

Alaun-(Na) NaAl(SO4)2·12H2O kubisch Pa3 m3 7.CD.100
Alaun-(K) KAl(SO4)2·12H2O kubisch Pa3 m3 7.CD.110
Tschermigit (NH4)Al(SO4)2·12H2O kubisch Pa3 m3 7.CD.120
Lanmuchangit TlAl[SO4]2·12H2O kubisch Pa3 m3 7.CD.130
Lonecreekit (NH4)(Fe3+,Al)(SO4)2·12H2O kubisch Pa3 m3 7.CD.150

7.CD.2 Halotrichit-Gruppe

Pickeringit MgAl2(SO4)4·22H2O monoklin P21/c 2/m 7.CD.200
Dietrichit (Zn,Fe2+,Mn)Al2(SO4)4·22H2O monoklin P21/c 2/m 7.CD.210
Halotrichit Fe2+Al2(SO4)4·22H2O monoklin P21/c 2/m 7.CD.220
Wupatkiit (Co,Mg)Al2[SO4]4·22H2O monoklin P21/c 2/m 7.CD.225
Apjohnit MnAl2(SO4)4·22H2O monoklin P21/c 2/m 7.CD.230
Bílinit Fe2+Fe23+(SO4)4·22H2O monoklin P21/c 2/m 7.CD.240
Redingtonit (Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2O 7.CD.250
Mendozit NaAl(SO4)2·11H2O monoklin C2/c 2/m 7.CD.280
Kalinit KAl(SO4)2·11 H2O monoklin C2/c 2/m 7.CD.285

7.CD.3 Picromerit-Gruppe

Pikromerit K2Mg(SO4)2·6H2O monoklin P21/a 2/m 7.CD.300
Boussingaultit (NH4)2Mg(SO4)2·6H2O monoklin P21/a 2/m 7.CD.310
Cyanochroit K2Cu(SO4)·6H2O monoklin P21/c 2/m 7.CD.320
Mohrit (NH4)2Fe2+(SO4)2·6H2O monoklin P21/a 2/m 7.CD.330
Nickelboussingaultit (NH4)2(Ni,Mg)(SO4)2·6H2O 7.CD.340
Amarillit NaFe3+(SO4)2·6H2O monoklin C2/c 2/m 7.CD.370
Tamarugit NaAl(SO4)2·6H2O monoklin P21/a 2/m 7.CD.375

7.CD.4 Konyait-Gruppe

Konyait Na2Mg(SO4)2·5H2O monoklin P21/c 2/m 7.CD.400

7.CD.5 Blödit-Gruppe

Blödit Na2Mg(SO4)2·4H2O monoklin P21/a 2/m 7.CD.500
Leonit K2Mg(SO4)2·4H2O monoklin C2/m 2/m 7.CD.510
Mereiterit K2Fe2+[SO4]2·4H2O monoklin C2/m 2/m 7.CD.515
Nickelblödit Na2(Ni,Mg)(SO4)2·4H2O monoklin P21/a 2/m 7.CD.520
Manganoblödit Na2Mn(SO4)2·4H2O monoklin P21/a 2/m 7.CD.530
Goldichit KFe3+(SO4)2·4H2O monoklin P21/c 2/m 7.CD.570

7.CD.6 Voltait-Gruppe

Voltait K2Fe52+Fe43+(SO4)12·18 H2O kubisch Fd3c m3m 7.CD.600
Pertlikit K2(Fe2+,Mg)2(Mg,Fe3+)4Fe3+2Al(SO4)12·18H2O tetragonal I41cd 4mm 7.CD.605
Ammoniomagnesiovoltait (NH4)2Mg5Fe3+3Al(SO4)12·18H2O kubisch Fd3c m3m 7.CD.607
Zincovoltait K2(Zn,Fe2+,Mn)5Fe33+Al(SO4)12·18H2O kubisch Fd3c m3m 7.CD.610
Metavoltin K2Na6Fe2+Fe63+(SO4)12O2·18 H2O trigonal P3 3 7.CD.620
Löweit Na12Mg7(SO4)13·15H2O trigonal R3 3 7.CD.640

7.CD.7 Kröhnkit-Gruppe

Kröhnkit Na2Cu(SO4)2· 2H2O monoklin P21/c 2/m 7.CD.700
Ferrinatrit Na3Fe(SO4)3·3H2O trigonal P3 3 7.CD.720
Changoit Na2Zn[SO4]2·4H2O monoklin P21/a 2/m 7.CD.730

7.CD.8 Polyhalit-Gruppe

Polyhalit K2Ca2Mg(SO4)4·2H2O triklin F1 1 7.CD.800
Leightonit K2Ca2Cu(SO4)4·2H2O monoklin C2/c 2/m 7.CD.810
Krausit KFe3+(SO4)2·H2O monoklin P21/m 2/m 7.CD.850



Mineralsystematik-Übersicht