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.CD With only large cations

07.CD.05 Matteuccite NaHSO4•(H2O) Aa m
07.CD.10 Mirabilite Na2SO4•10(H2O) P 21/a 2/m
07.CD.15 Lecontite (NH4,K)Na(SO4)•2(H2O) P 212121 2 2 2
07.CD.20 Hydroglauberite Na4Ca(SO4)3•2(H2O) Unk. Ortho
07.CD.25 Eugsterite Na4Ca(SO4)3•2(H2O) Unk. Mono
07.CD.30 Gorgeyite K2Ca5(SO4)6•(H2O) C 2/c 2/m
07.CD.35 Koktaite (NH4)2Ca(SO4)2•(H2O) P 21/m 2/m
07.CD.35 Syngenite K2Ca(SO4)2•(H2O) P 21/m 2/m
07.CD.40 Gypsum CaSO4•2(H2O) A2/a 2/m
07.CD.45 Bassanite 2CaSO4•(H2O) Unk Ortho
07.CD.50 Zircosulfate Zr(SO4)2•4(H2O) F ddd 2/m 2/m 2/m
07.CD.55 Schieffelinite Pb(Te++++++,S)O4•(H2O) C mcm 2/m 2/m 2/m
07.CD.60 Montanite Bi2Te++++++O6•2(H2O) Mono
07.CD.65 Omongwaite! Na2Ca5(SO4)6•3H2O C 2 2