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.BG Sorosilicates with mixed SiO4 and Si2O7 groups;

09.BG.05a Epidote-(Sr)! CaSrAl2Fe+++(Si2O7)(SiO4)O(OH) P 21/m 2/m
09.BG.05a Clinozoisite Ca2Al3(SiO4)3(OH) = Ca2AlAl2(SiO4)(Si2O7)O(OH) P 21/m 2/m
09.BG.05a Epidote Ca2(Fe+++,Al)3(SiO4)3(OH) = Ca2(Fe,Al)Al2(SiO4)(Si2O7)O(OH) P 21/m 2/m
09.BG.05a Epidote-(Pb) (Ca,Pb,Sr)2(Al,Fe+++)3(SiO4)(Si2O7)O(OH) P 21/m 2/m
09.BG.05a Mukhinite Ca2Al2V+++(SiO4)3(OH) P 21/m 2/m
09.BG.05a Piemontite Ca2(Al,Mn,Fe)3(SiO4)3(OH) = Ca2(Mn,Fe)Al2(SiO4)(Si2O7)O(OH) P 21/m 2/m
09.BG.05a Piemontite-(Sr)! (Ca,Mn++)(Sr,Ca)Mn+++(Al,Mn+++,Fe+++)2(SiO4)(Si2O7)O(OH) P 21/m 2/m
09.BG.05a Clinozoisite-(Sr)! CaSrAl3(Si2O7)(SiO4)O(OH) P 21/m 2/m
09.BG.05a Manganipiemontite-(Sr)! CaSr(Mn+++,Fe+++)2Al[Si3O12](OH) P 21/m 2/m
09.BG.05b Uedaite-(Ce)! Mn++CeAl2Fe++(Si2O7)(SiO4)O(OH) P 21/m 2/m
09.BG.05b Allanite-(La)! Ca(REE,Ca)Al2(Fe++,Fe+++)(SiO4)(Si2O7)O(OH) P 21/m 2/m
09.BG.05b Allanite-(Y) (Y,Ce,Ca)2(Al,Fe+++)3(SiO4)3(OH) P 21/m 2/m
09.BG.05b Allanite-(Ce) (Ce,Ca,Y)2(Al,Fe+++)3(SiO4)3(OH) P 21/m 2/m
09.BG.05b Manganiandrosite-(La)! (Mn,Ca)(La,Ce,Ca,Nd)AlMn+++Mn++(SiO4)(Si2O7)O(OH) P 21/m 2/m
09.BG.05b Dissakisite-(Ce) Ca(Ce,REE)(Mg,Fe++)(Al,Fe+++)2Si3O12(OH) P 21/m 2/m
09.BG.05b Manganiandrosite-(Ce)! (Mn++,Ca)(Ce,REE)AlMn+++Mn++(Si2O7)(SiO4)O(OH) P 21/m 2/m
09.BG.05b Ferriallanite-(Ce)! CaCe(Fe+++,Fe++,Al)3[SiO4][Si2O7]O(OH) P 21/m 2/m
09.BG.05b Vanadoandrosite-(Ce)! (Mn++,Ca)(REE)V+++AlMn++(Si2O7)(SiO4)O(OH) P 21/m 2/m
09.BG.05b Dissakisite-(La)! (Ca,Fe++,Th, La)(La,REE,Ca)(Al,Cr,Ti)2(Mg,Fe,Al)Si3O12(OH,F) with La > Ce P 21/m 2/m
09.BG.05c Dollaseite-(Ce) CaCeMg2AlSi3O11(OH,F)2 P 21/m 2/m
09.BG.05c Khristovite-(Ce) (Ca,REE)(Ce,REE)(Mg,Fe,Cr,Ti,V,Al)Mn++Al(SiO4)(Si2O7)(OH)(F,O) P 21/m 2/m
09.BG.10 Zoisite Ca2Al3(SiO4)3(OH) = Ca2AlAl2(SiO4)(Si2O7)O(OH) Pnmc 2/m 2/m 2/m
09.BG.15 Sursassite Mn++2Al3(SiO4)(Si2O7)(OH)3 P 21/m 2/m
09.BG.15 Macfallite Ca2(Mn+++,Al)3(SiO4)(Si2O7)(OH)3 P 21/m 2/m
09.BG.20 Pumpellyite-(Al)! Ca2(Al,Fe++,Mg)Al2(SiO4)(Si2O7)(OH,O)2•H2O A2/m 2/m
09.BG.20 Poppiite! Ca2(V+++,Fe+++,Mg)(V+++,Al)2(Si,Al)3(O,OH)14 C 2/m 2/m
09.BG.20 Julgoldite-(Fe++) Ca2Fe++(Fe+++,Al)2(SiO4)(Si2O7)(OH)2•(H2O) C 2/m 2/m
09.BG.20 Julgoldite-(Fe+++) Ca2Fe+++(Fe+++,Al)2(SiO4)(Si2O7)(O,OH)2•(H2O) A2/m 2/m
09.BG.20 Pumpellyite-(Fe++) Ca2Fe++(Al,Fe+++)2(SiO4)(Si2O7)(OH)2•(H2O) A2/m 2/m
09.BG.20 Okhotskite-(Mg)* Ca3(Mg,Mn++)(Mn+++,Al,Fe+++)(SiO4)(Si2O7)(OH)2•(H2O) Mono
09.BG.20 Okhotskite-(Mn++) Ca2(Mn++,Mg)(Mn+++,Al,Fe+++)Si3O10(OH)4 A2/m 2/m
09.BG.20 Pumpellyite-(Fe+++) Ca2Fe+++Al2(SiO4)(Si2O7)(OH,O)2•(H2O) A2/m 2/m
09.BG.20 Pumpellyite-(Mg) Ca2MgAl2(SiO4)(Si2O7)(OH)2•(H2O) A2/m 2/m
09.BG.20 Pumpellyite-(Mn++) Ca2(Mn++,Mg)(Al,Mn+++,Fe)2(SiO4)(Si2O7(OH)2•(H2O) A2/m 2/m
09.BG.20 Shuiskite Ca2(Mg,Al)(Cr,Al)2(SiO4)(Si2O7)(OH)2•(H2O) A2/m 2/m
09.BG.25 Ganomalite Pb9Ca5Mn++Si9O33 P 3 3
09.BG.30 Rustumite Ca10(Si2O7)2(SiO4)Cl2(OH)2 C 2/c 2/m
09.BG.35 Vesuvianite Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4 P 4/n 4/m
09.BG.35 Fluorvesuvianite! Ca19(Al,Mg)13[SiO4]10[Si2O7]4(F,OH)10 P 4/nnc 4/m 2/m 2/m
09.BG.35 Wiluite! Ca19(Al,Mg,Fe,Ti)13(B,Al,[ ])5Si18O68(O,OH)10 P 4/nnc 4/m 2/m 2/m
09.BG.35 Manganvesuvianite! Ca19Mn+++(Al,Mn+++,Fe+++)10(Mg,Mn++)2Si18O69(OH)9 P 4/n 4/m
09.BG.40 Vyuntspakhkite-(Y) (Y,Yb,Er)4Al2AlSi5O18(OH)5 P 21/c 2/m
09.BG.45 Dellaite Ca6Si3O11(OH)2 P1 1
09.BG.50 Gatelite-(Ce)! (Ca,Ce,La,Nd)4(Al,Mg,Fe)4[Si2O7][SiO4]3(O,F,OH)3 P 21/a 2/m
09.BG.55 Vastmanlandite-(Ce)! (Ce,La)3CaAl2Mg2[Si2O7][SiO4]3F(OH)2 P 21/m 2/m