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.DG With large and medium sized cations; with NO3, CO3, B(OH)4, SiO4 or IO3

07.DG.05 Darapskite Na3(SO4)(NO3)•(H2O) P 21/m 2/m
07.DG.10 Clinoungemachite K3Na9Fe+++(SO4)6(OH)3•9(H2O) ? (pseudo-HEX-R) Mono
07.DG.10 Ungemachite K3Na8Fe+++(SO4)6(NO3)2•6(H2O) R 3 3
07.DG.10 Humberstonite K3Na7Mg2(SO4)6(NO3)2•6(H2O) R 3 3
07.DG.15 Bentorite Ca6(Cr,Al)2(SO4)3(OH)12•26(H2O) P 63/mmc 6/m 2/m 2/m
07.DG.15 Charlesite Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O) P 31c 3m
07.DG.15 Ettringite Ca6Al2(SO4)3(OH)12•26(H2O) P 63/mmc 6/m 2/m 2/m
07.DG.15 Jouravskite Ca3Mn++++(SO4,CO3)2(OH)6•12(H2O) P 63/m 6/m
07.DG.15 Sturmanite Ca6(Fe+++,Al,Mn++)2(SO4)2[B(OH)4](OH)12•25(H2O) P 31c 3m
07.DG.15 Thaumasite Ca3Si(CO3)(SO4)(OH)6•12(H2O) P 63/m 6/m
07.DG.15 Carraraite! Ca3Ge(OH)6(SO4)(CO3 )•12H2 O P 63/m, or P 63 Hex
07.DG.15 Buryatite! Ca3(Si,Fe+++,Al)[SO4][B(OH)4](OH,O)6•12(H2O) P 31c 3m
07.DG.20 Rapidcreekite Ca2(SO4)(CO3)•4(H2O) Pcnb 2/m 2/m 2/m
07.DG.25 Tatarskite Ca6Mg2(SO4)2(CO3)2Cl4(OH)4•7(H2O) Unk Ortho
07.DG.30 Nakauriite (Mn,Ni,Cu)8(SO4)4(CO3)(OH)6•48(H2O) Unk Ortho
07.DG.35 Chessexite (K,Na)4Ca2Mg3Al8(SiO4)2(SO4)10(OH)10•40(H2O) Unk Ortho
07.DG.40 Carlosruizite K6(Na,K)4Na6Mg10(Se++++++O4)12(IO3)12•12(H2O) P 3c1 3 2/m
07.DG.40 Fuenzalidaite K6(Na,K)4Na6Mg10(SO4)12(IO3)12•12(H2O) P 3c1 3 2/m
07.DG.45 Chelyabinskite* (Ca,Mg)3Si(OH)6(SO4,CO3)2•9(H2O) Unk Ortho