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.AG Nesosilicates with additional anions; cations in > [6] [6] coordination

09.AG.05 Abswurmbachite Cu++Mn+++6SiO12 I 41/acd 4/m 2/m 2/m
09.AG.05 Braunite-I Mn++Mn+++6SiO12 I 41/acd 4/m 2/m 2/m
09.AG.05 Braunite-II* Mn++Mn+++6SiO12 I 41/acd 4/m 2/m 2/m
09.AG.05 Neltnerite CaMn+++6SiO12 I 41/acd 4/m 2/m 2/m
09.AG.10 Langbanite (Mn,Ca,Fe)++4(Mn+++,Fe+++)9Sb+++++Si2O24 C 2/m 2/m
09.AG.15 Malayaite CaSnSiO5 = CaSnOSiO4 A2/a 2/m
09.AG.15 Vanadomalayaite CaVOSiO4 C 2/c 2/m
09.AG.15 Titanite CaTiSiO5 P 21/a 2/m
09.AG.20 Aluminocerite-(Ce)! (Ce,REE,Ca)9(Al,Fe+++)(SiO4)3[SiO3(OH)]4(OH)3 R 3c 3m
09.AG.20 Cerite-(Ce) Ce+++9Fe+++(SiO4)6[(SiO3)(OH)](OH)3 R 3c 3m
09.AG.20 Cerite-(La)! (La,Ce,Ca)9(Mg,Fe+++)(SiO4)6[SiO3(OH)](OH)3 R 3c 3m
09.AG.25 Yftisite-(Y)? (Y,Dy,Er)4(Ti,Sn)O(SiO4)2(F,OH)6 C mcm 2/m 2/m 2/m
09.AG.25 Trimounsite-(Y) (Y,REE)2Ti2SiO9 P 21/c 2/m
09.AG.30 Sitinakite Na2K(Ti,Nb)4O4(SiO4)2(O,OH)•4(H2O) P 41/mcm 4/m 2/m 2/m
09.AG.35 Kittatinnyite Ca2Mn+++2Mn++Si2O8(OH)4•9(H2O) P 63/mmc 6/m 2/m 2/m
09.AG.40a Natisite Na2(TiO)SiO4 P 4/nmm 4/m 2/m 2/m
09.AG.40b Paranatisite Na2[TiO(SiO4)] P mc21 mm2
09.AG.45 Tornebohmite-(Ce) (Ce,La,Nd)2Al(SiO4)2(OH) P 21/c 2/m
09.AG.45 Tornebohmite-(La) (La,Ce)2Al(SiO4)2(OH) P 21/c 2/m
09.AG.50 Kuliokite-(Y) (Y,REE)4Al(SiO4)2(OH)2F5 P1 1
09.AG.55 Chantalite CaAl2SiO4(OH)4 I 41/a 4/m
09.AG.60 Mozartite CaMn+++SiO4(OH) P 212121 2 2 2
09.AG.60 Vuagnatite CaAlSiO4(OH) P 212121 2 2 2
09.AG.65 Hatrurite Ca3SiO5 R 3m 3m
09.AG.70 Jasmundite Ca11(SiO4)4O2S I 42m 4 2m
09.AG.75 Afwillite Ca3Si2O4(OH)6 P 21 2
09.AG.80 Bultfonteinite Ca2SiO2(OH,F)4 P1 1
09.AG.85 Zoltaiite! BaV++++2V+++12Si2O27 P 3 3
09.AG.90 Tranquillityite Fe++8(Zr,Y)2Ti3Si3O24 Unk Hex