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.EG Double nets with 6-membered and larger rings

09.EG.05 Cymrite BaAl2Si2O8•(H2O) P 21 (pseudo-HEX) 2
09.EG.07.5 Bariumbannisterite* (K,H3O)(Ba,Ca)(Mn++,Fe++,Mg)21(Si,Al)32O80(O,OH)16•4-12(H2O) Mono
09.EG.10 Naujakasite Na6(Fe++,Mn)Al4Si8O26 C 2/m 2/m
09.EG.10 Manganonaujakasite! Na6(Mn,Fe++ )Al4Si8O26 C 2/m 2/m
09.EG.15 Dmisteinbergite CaAl2Si2O8 P 6/mmm 6/m 2/m 2/m
09.EG.20 Kampfite! Ba12(Si11Al5)O31(CO3)8Cl5 Cc m
09.EG.25 Vertumnite Ca8Al4(Al4Si5)O12[(OH)36•10(H2O) P 21/a 2/m
09.EG.25 Stratlingite Ca2Al[(OH)6AlSiO2-3(OH)4-3]•2,5(H2O) R 3m 3 2/m
09.EG.30 Eggletonite Na2Mn8[Si11AlO29](OH)7•11(H2O) Ia or I2/a Mono
09.EG.30 Ganophyllite (K,Na)2(Mn,Al,Mg)8(Si,Al)12O29(OH)7•8-9(H2O) A2/a 2/m
09.EG.30 Tamaite! (Ca,K,Ba,Na)3-4Mn24(Si,Al)40(O,OH)112•21(H2O) P 21/a 2/m
09.EG.35 Coombsite! K(Mn++,Fe++,Mg)13(Si,Al)18O42(OH)14 R 3 or R 3 Trig
09.EG.35 Zussmanite K(Fe++,Mg,Mn)13[AlSi17O42](OH)14 R 3 3
09.EG.40 Franklinphilite (K,Na)4(Mn++,Mg,Zn)48(Si,Al)72(O,OH)216•6(H2O) pseudo-HEX P1 or P1 Tri
09.EG.40 Lennilenapeite K6-7(Mg,Mn,Fe++,Fe+++,Zn)48(Si,Al)72(O,OH)216•16(H2O) Unk (pseudo-HEX) Tri
09.EG.40 Stilpnomelane K(Fe++,Mg,Fe+++)8(Si,Al)12(O,OH)27•n(H2O) P1 1
09.EG.40 Ekmanite? (Fe++,Mg,Mn,Fe+++)3(Si,Al)4O10(OH)2•2(H2O) Unk Ortho
09.EG.40 Parsettensite (K,Na,Ca)(Mn,Al)7Si8O20(OH)8•2(H2O) (?) C 2/m 2/m
09.EG.45 Latiumite (Ca,K)8(Al,Mg,Fe)(Si,Al)10O25(SO4) P 21 2
09.EG.45 Tuscanite K(Ca,Na)6(Si,Al)10O22(SO4,CO3,(OH)2)•(H2O) P 21/a 2/m
09.EG.50 Jagoite (Pb,Na,Ca)3(Fe+++,Mg)Si3O10(Cl,OH) P 62c 6 m2
09.EG.55 Wickenburgite Pb3CaAl2Si10O27•4(H2O) P 31c 3m
09.EG.60 Hyttsjoite! Pb18Ba2Ca5Mn++2Fe+++2Si30O90Cl•6(H2O) R 3 3
09.EG.65 Armbrusterite! K5Na6Mn+++Mn++14[Si9O22]4(OH)10•4H2O C 2/m 2/m
09.EG.70 Britvinite! Pb7+xMg4.5[(Si,Al)5O14](BO3)(BO3,AsO4)(CO3)(OH,O)7 ( x < 0.5) P1 1
09.EG.75 Bannisterite KCa(Mn,Fe++,Zn,Mg)21(Si,Al)32O76(OH)16•4-12(H2O) A2/a 2/m