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.EE Single tetrahedral nets of 6-membered rings

09.EE.05 Bementite Mn8Si6O15(OH)10 P 21/c 2/m
09.EE.10 Brokenhillite* (Mn,Fe)32[Si24O60]OH29Cl11 P 63mc 6mm
09.EE.10 Friedelite Mn8Si6O15(OH,Cl)10 C 2/m 2/m
09.EE.10 Mcgillite (Mn,Fe++)8Si6O15(OH)8Cl2 C 2/m 2/m
09.EE.10 Pyrosmalite-(Fe) (Fe++,Mn)8Si6O15(OH,Cl)10 P 3m1 3 2/m
09.EE.10 Pyrosmalite-(Mn) (Mn,Fe++)8Si6O15(OH,Cl)10 P 3m1 3 2/m
09.EE.15 Schallerite Mn++16[As+++O2OH][Si12O30](OH)14 P 3m1 ? 3m
09.EE.15 Nelenite (Mn,Fe++)16Si12As+++3O36(OH)17 R 3m 3 2/m
09.EE.20 Palygorskite (Mg,Al)2Si4O10(OH)•4(H2O) C 2/m 2/m
09.EE.20 Yofortierite (Mn,Mg)5Si8O20(OH)2•8-9(H2O) Pn(?) m
09.EE.20 Tuperssuatsiaite Na(Fe+++,Mn)3[Si8O20](OH)2•n(H2O) C 2/m Mono
09.EE.25 Falcondoite (Ni,Mg)4Si6O15(OH)2•6(H2O) Pncn 2/m 2/m 2/m
09.EE.25 Loughlinite Na2Mg3Si6O16•8(H2O) Unk Ortho
09.EE.25 Kalifersite! (K,Na)5Fe+++7Si20O50(OH)6•12(H2O) P1 1
09.EE.25 Sepiolite Mg4Si6O15(OH)2•6(H2O) Pnan 2/m 2/m 2/m
09.EE.30 Gyrolite NaCa16Si23AlO60(OH)8•64(H2O) P 61 6
09.EE.30 Tungusite [Ca14(OH)8](Si8020)(Si8020)2[Fe++9(OH)14] P1 1
09.EE.35 Reyerite (Na,K)4Ca14Si22Al2O58(OH)8•6(H2O) P 3 3
09.EE.35 Truscottite (Ca,Mn++)14Si24O58(OH)8•2(H2O) p3 or p3 Trig
09.EE.40 Natrosilite Na2Si2O5 P 21/a 2/m
09.EE.45 Makatite Na2Si4O8(OH)2•4(H2O) P 21/c 2/m
09.EE.50 Varennesite Na8Mn++2Si10O25(OH,Cl)2•12(H2O) C mcm 2/m 2/m 2/m
09.EE.55 Raite Na4Mn++4Si8(O,OH)24•9(H2O) C 222 2 2 2
09.EE.60 Intersilite! Na6Mn++Ti[Si10O24(OH)](OH)3•4(H2O) I2/m 2/m
09.EE.65 Shafranovskite K2Na3(Mn++,Fe++,Na)4[Si9(O,OH)27](OH)2•n(H2O), n~2.33 P 31c 3m
09.EE.65 Zakharovite Na4Mn++5Si10O24(OH)6•6(H2O) P 31m,P 3m1 3m
09.EE.70 Zeophyllite Ca4Si3O8(OH,F)4•2(H2O) R 3 3
09.EE.75 Minehillite (K,Na)2-3Ca28(Zn4Al4Si40)O112(OH)16 P 63/mmm, P 62c, or P 63mc Hex
09.EE.80 Fedorite KNa4Ca4(Al,Si)16O36(OH,F)4•6(H2O) C1 1
09.EE.80 Martinite! (Na,[ ],Ca)12Ca4(Si,S,B)14B2O38(OH,Cl)2F2•4(H2O) P1 1
09.EE.85 Lalondeite! (Na,Ca)6(Ca,Na)3Si16O38(F,OH)2•3(H2O) P1 1