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Hoelzel Classification

8 PHOSPHATES ARSENATES VANADATES

8.C Phosphates (-Anions +Water)

8.CB Valency: 2, C medium, Me3~[XO4]2*nH2O

8.CB.1 nH2O <= 3 Phosphoferrite-Group

Warikahnite Zn3(AsO4)2·2H2O triklin P1 1 8.CB.100
Phosphoferrite (Fe2+,Mn)3(PO4)2·3H2O orthorhombisch Pbna mmm 8.CB.140
Reddingite Mn32+(PO4)2·3H2O orthorhombisch Pbna mmm 8.CB.150
Sterlinghillite Mn3[AsO4]2·3H2O monoklin 8.CB.170

8.CB.2 nH2O=4 Hopeite-Group

Hopeite Zn3(PO4)2·4H2O orthorhombisch Pnma mmm 8.CB.200
Arsenohopeite Zn3(AsO4)2·4H2O orthorhombisch Pnma mmm 8.CB.205
Rollandite Cu3[AsO4]2 ·4H2O orthorhombisch Pnma mmm 8.CB.210
Phosphophyllite Zn2(Fe2+,Mn)(PO4)2·4H2O monoklin P21/c 2/m 8.CB.230
Ludlamite (Fe2+,Mg,Mn)3(PO4)2·4H2O monoklin P21/a 2/m 8.CB.235
Metaswitzerite Mn3(PO4)2·4H2O monoklin P21/c 2/m 8.CB.240
Parahopeite Zn3(PO4)2·4H2O triklin P1 1 8.CB.270
Davidlloydite Zn3(AsO4)2·4H2O triklin P1 1 8.CB.275

8.CB.3 nH2O=5 to 7 Switzerite-Group

Switzerite (Mn2+,Fe2+)3(PO4)2·7H2O monoklin P21/a 2/m 8.CB.300

8.CB.4 nH2O=8, monoclinic Vivianite-Group

Bobierrite Mg3(PO4)2·8H2O monoklin C2/c 2/m 8.CB.400
Barićite Mg3(PO4)2·8H2O monoklin C2/m 2/m 8.CB.405
Hörnesite Mg3(AsO4)2·8H2O monoklin C2/m 2/m 8.CB.410
Babánekite Cu3(AsO4)2·8H2O monoklin C2/m 2/m 8.CB.415
Köttigite Zn3(AsO4)2·8H2O monoklin C2/m 2/m 8.CB.420
Vivianite Fe2+3(PO4)2·8H2O monoklin C2/m 2/m 8.CB.430
Arupite (Ni,Fe2+)3(PO4)2·8H2O monoklin C2/m 2/m 8.CB.433
Parasymplesite Fe2+3(AsO4)2·8H2O monoklin C2/m 2/m 8.CB.440
Pakhomovskyite Co3(PO4)2·8H2O monoklin C2/m 2/m 8.CB.445
Erythrite Co3(AsO4)2·8H2O monoklin C2/m 2/m 8.CB.450
Annabergite Ni2+3(AsO4)2·8H2O monoklin C2/m 2/m 8.CB.460
Magnesian Annabergite(Var.v. Annabergite) 8.CB.465
Manganohörnesite (Mn,Mg)3(AsO4)2·8H2O 8.CB.470

8.CB.5 nH2O=8, triclinic Symplesite-Group

Metaköttigite (Zn,Fe3+,Fe2+)3(AsO4)2·8(H2O,OH) triklin 8.CB.500
Symplesite Fe32+(AsO4)2·8H2O triklin P1 1 8.CB.520

8.CB.7

Cattiite Mg3[PO4]2·22H2O triklin P1 1 8.CB.700



Mineralsystematik-Übersicht