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Hoelzel Classification

9 SILICATES

9.F Tektosilicates

9.FN Heulandite-Group

9.FN.1

Stellerite Ca4(Si28Al8)O72·28H2O orthorhombisch Fmmm mmm 9.FN.100
Barrerite (Na,K,Ca)8(Si,Al)36O72·26H2O orthorhombisch Amma mmm 9.FN.120

9.FN.2

Heulandite-Ca (Ca,Na,K)5(Si27Al9)O72·26H2O monoklin C2/m 2/m 9.FN.200
Heulandite-Sr (Sr,Na,K)5(Si27Al9)O72·24H2O monoklin C2, , 2, m, 2 9.FN.202
Heulandite-Ba (Ba,Ca,K,Na,Sr)5(Si27Al9)O72·22H2O monoklin C2/m 2/m 9.FN.203
Heulandite-Na (Na,Ca)6(Si,Al)36O72·24H2O monoklin C2/m, Cm, C2 2/m, m, 2 9.FN.204
Heulandite-K (K,Ca,Na)5(Si27Al9)O72·24H2O monoklin C2/m, Cm, C2 2/m, m, 2 9.FN.205
Clinoptilolite-K K6(Si30Al6)O72·20H2O monoklin C2/m 2/m 9.FN.210
Clinoptilolite-Na Na6(Si30Al6)O72·20H2O monoklin C2/m, , 2/m, 2, m 9.FN.212
Clinoptilolite-Ca Ca3(Si30Al6)O72·20H2O monoklin C2/m, , 2/m, 2, m 9.FN.213
Stilbite-Ca (Ca0.5,Na,K)9(Si,Al)36O72·28H2O monoklin C2/m 2/m 9.FN.240
Stilbite-Na Na9(Si27Al9)O72·28H2O monoklin C2/m 2/m 9.FN.242
Brewsterite-Sr (Sr,Ba,Ca)(Si6Al2)O16·5H2O monoklin P21/m 2/m 9.FN.260
Brewsterite-Ba (Ba,Sr,Ca)(Al2Si6)O16·5H2O monoklin , P21/m 2/m, 2 9.FN.262



Mineralsystematik-Übersicht