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Hoelzel Classification

9 SILICATES

9.F Tektosilicates

9.FA Without other tetrahedral Anions

9.FA.1 Nepheline-Group

Virgilite LixAlxSi3-xO6 hexagonal P6222, P6422 622 9.FA.100

9.FA.2

Kalsilite KAlSiO4 hexagonal P63 6 9.FA.200
Kokchetavite KAlSi3O8 hexagonal P6/mmm 6/mmm 9.FA.208
Nepheline Na3K(Al4Si4O16) hexagonal P63 6 9.FA.210
Trinepheline NaAlSiO4 hexagonal P61, P65 6 9.FA.212
Yoshiokaite Ca(Al,Si)2O4 trigonal P3 3 9.FA.215
Trikalsilite K2NaAl3(SiO4)3 hexagonal P63 6 9.FA.220
Megakalsilite K[AlSiO4] hexagonal P63 6 9.FA.225
Panunzite K3Na(AlSiO4)4 hexagonal P63 6 9.FA.230
Kaliophilite KAlSiO4 trigonal P3 3 9.FA.240

9.FA.3

Petalite LiAlSi4O10 monoklin P2/a 2/m 9.FA.300
Chkalovite Na2BeSi2O6 orthorhombisch Fdd2 mm2 9.FA.330

9.FA.4

Dmisteinbergite CaAl2Si2O8 hexagonal P6/mmm 6/mmm 9.FA.400



Mineralsystematik-Übersicht