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.DF Inosilicates with 2-periodic multiple chains

09.DF.05 Chesterite (Mg,Fe++)17Si20O54(OH)6 A21ma mm2
09.DF.05 Clinojimthompsonite (Mg,Fe++)5Si6O16(OH)2 C 2/c 2/m
09.DF.05 Jimthompsonite (Mg,Fe++)5Si6O16(OH)2 P bca 2/m 2/m 2/m
09.DF.15 Ershovite Na4K3(Fe++,Mn++,Ti)2Si8O20(OH)4•5(H2O) P1 1
09.DF.20 Tvedalite (Ca,Mn++)4Be3Si6O17(OH)4•3(H2O) C face centered Ortho
09.DF.25 Bavenite Ca4Be2Al2Si9O26(OH)2 Am2a mm2
09.DF.30 Bigcreekite! BaSi2O5•4(H2O) P nma 2/m 2/m 2/m