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Hoelzel Classification

9 SILICATES

9.A Nesosilicates

9.AC Garnet-Group

9.AC.1 Pyralspites - 8-coord. Mg, Fe(2+), Mn(2+); Pyrope - Spessartine-Group

Pyrope {Mg3}[Al2](Si3)O12 kubisch Ia3d m3m 9.AC.100
Almandine {Fe2+3}[Al2](Si3)O12 kubisch Ia3d m3m 9.AC.110
Spessartine {Mn2+3}[Al2](Si3)O12 kubisch Ia3d m3m 9.AC.120
Majorite Mg3(MgSi)(SiO4)3 kubisch 9.AC.140
Calderite {Mn2+3}[Fe3+2](Si3)O12 kubisch Ia3d m3m 9.AC.150
Knorringite {Mg3}[Cr3+2](Si3)O12 kubisch Ia3d m3m 9.AC.160
Momoiite {Mn2+3}[V3+2](Si3)O12 kubisch Ia3d m3m 9.AC.170

9.AC.2 Ugrandites - 8-coord. Ca, Rare Earth Elements; Grossular-Group - 6-coord. Al

Grossular {Ca3}[Al2](Si3)O12 kubisch Ia3d m3m 9.AC.250

9.AC.3 Andradite-Group - 6-coord. Fe(3+)

Andradite {Ca3}[Fe3+2](Si3)O12 kubisch Ia3d m3m 9.AC.300
Melanite(Var.v. Andradite) 9.AC.310

9.AC.4 Uvavorite-Group - 6-coord. Cr, V, Sc

Uvarovite {Ca3}[Cr3+2](Si3)O12 kubisch Ia3d m3m 9.AC.400
Goldmanite {Ca3}[V3+2](Si3)O12 kubisch Ia3d m3m 9.AC.430
Eringaite {Ca3}[V3+2](Si3)O12 kubisch Ia3d m3m 9.AC.460

9.AC.5 Schorlomite-Group - 6-coord. Ti, Zr, Sn

Schorlomite {Ca3}[Ti2](SiFe3+2)O12 kubisch Ia3d m3m 9.AC.500
Morimotoite {Ca3}[TiFe2+](Si3)O12 kubisch Ia3d m3m 9.AC.510
Kimzeyite {Ca3}[Zr2](SiAl2)O12 kubisch Ia3d m3m 9.AC.530
Kerimasite {Ca3}[Zr2](SiFe3+2)O12 kubisch Ia3d m3m 9.AC.540
Toturite {Ca3}[Sn4+2](SiFe3+2)O12 kubisch Ia3d m3m 9.AC.560
Irinarassite {Ca3}[Sn4+2](SiAl2)O12 kubisch Ia3d m3m 9.AC.570

9.AC.6 Garnets with Rare Earth Elements

Menzerite-(Y) {Y2Ca}[Mg2](Si3)O12 kubisch Ia3d m3m 9.AC.600

9.AC.7 Hydrogarnets

Hibschite(Var.v. Grossular) Ca3Al2(SiO4)3-x(OH)4*x {x<0.2-1.5} kubisch Ia3d m3m 9.AC.700
Hydrougrandite (Ca,Mg,Fe2+)3(Fe3+,Al)2(SiO4)3-x(OH)4x 9.AC.710
Henritermierite {Ca3}[Mn3+2](Si2)(☐)O8(OH)4 tetragonal I41/acd 4/mmm 9.AC.720
Holtstamite {Ca3}[Al2](Si2)(☐)O8(OH)4 tetragonal I41/acd 4/mmm 9.AC.730
Katoite {Ca3}[Al2](☐3)(OH)12 kubisch Ia3d m3m 9.AC.760
Wadalite Ca6Al5Si2O16Cl3 kubisch I43d 43m 9.AC.790

9.AC.9 Garnet-like

Eltyubyuite Ca12Fe3+10Si4O32Cl6 kubisch I43d 43m 9.AC.920



Mineralsystematik-Übersicht