Mineralogy Database

Nickel-Strunz Sulfates Classification

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Minerals Arranged by Nickel-Strunz (Version 10) Classification

The Nickel-Strunz 10th Edition (Pending Publication) Mineralogical Tables by Hugo Strunz and Ernest H. Nickel is based on a digital copy obtained from Jim Ferraiolo. Jim is responsible for the Strunz Classification in Mindat.org and he has generously provided webmineral with an updated copy of the classification numbers. Follow this link for a short discussion on the Nickel-Strunz Classification Number.

Note: Space Group in Red   Point Group in Green.
* - Not IMA Approved.

! - Dana Number Added or Changed.

? - IMA Discredited Mineral Name.

Nickel-Strunz Sulfates Classification

07.F Chromates

07.FA Without additional anions

07.FA.05 Tarapacaite K2CrO4 Pnam 2/m 2/m 2/m
07.FA.10 Chromatite CaCrO4 I 41/amd 4/m 2/m 2/m
07.FA.15 Hashemite Ba(Cr,S)O4 P nma 2/m 2/m 2/m
07.FA.20 Crocoite PbCrO4 P 21/n 2/m

07.FB With additional O, V, S, Cl

07.FB.05 Phoenicochroite Pb2(CrO4)O C 2/m 2/m
07.FB.10 Santanaite Pb++9Pb++++2CrO16 P 6322 6 2 2
07.FB.15 Wattersite Hg+4Hg++Cr++++++O6 C 2/c 2/m
07.FB.20 Deanesmithite Hg+2Hg++3Cr++++++O5S2 P1 1
07.FB.25 Edoylerite Hg++3Cr++++++O4S2 P 21/a 2/m

07.FC With PO4, AsO4, SiO4

07.FC.05 Vauquelinite Pb2Cu(CrO4)(PO4)(OH) P 21/n 2/m
07.FC.10 Fornacite Pb2Cu(CrO4)(AsO4)(OH) P 21/c 2/m
07.FC.10 Molybdofornacite Pb2Cu[(As,P)O4][(Mo,Cr)O4](OH) P 21/c 2/m
07.FC.15 Hemihedrite Pb10Zn(CrO4)6(SiO4)2F2 P1 1
07.FC.15 Iranite Pb10Cu(CrO4)6(SiO4)2(F,OH)2 P1 1
07.FC.20 Embreyite Pb5(CrO4)2(PO4)2•(H2O) P 21/m 2/m
07.FC.20 Cassedanneite Pb5(VO4)2(CrO4)2•(H2O) A2/m 2/m

07.FD Dichromates

07.FD.05 Lopezite K2Cr2O7 P1 1