Mineralogy Database

Nickel-Strunz Silicates 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 Silicates Classification


09.EH Transitional structures between phyllosilicate and other silicate units

09.EH.05 Neptunite KNa2Li(Fe++,Mn)2Ti2Si8O24 Cc m
09.EH.05 Manganoneptunite KNa2Li(Mn,Fe++)2Ti2Si8O24 C 2/m 2/m
09.EH.05 Watatsumiite! Na2KMn2LiV2Si8O24 Cc m
09.EH.10 Grumantite NaHSi2O5•(H2O) F dd2 mm2
09.EH.15 Sarcolite NaCa6Al4Si6O24F (?) I 4/m 4/m
09.EH.20 Ussingite Na2AlSi3O8(OH) P1 1
09.EH.25 Eirikite! KNa6Be2(Si15Al3)O39F2 P 3m1 3 2/m
09.EH.25 Leifite Na2(Si,Al,Be)7(O,OH,F)14 P 3m1 3 2/m
09.EH.25 Telyushenkoite! CsNa6[Be2(Si,Al)18O39F2] P 3m1 3 2/m
09.EH.30 Nafertisite! Na3(Fe++,Fe+++)6(Ti2Si12O34)(O,OH)7•2(H2O) A2/m 2/m