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Hölzel Systematik

9 Silikate

9.F Gerüstsilikate (Tektosilikate)

9.FE Hexagonal or trigonal with other Anions

9.FE.1 Cancrinit-Gruppe - hexagonal, axis for a~~12A and c~~5A

Cancrinit Na6Ca2Al6Si6O24(CO3)2 hexagonal P63 6 9.FE.100
Balliranoit (Na,K)6Ca2(Si6Al6O24)Cl2(CO3) hexagonal P63 6 9.FE.105
Davyn [(Na,K)6(SO4)0.5Cl][Ca2Cl2][(Si6Al6O24)] hexagonal P63 6 9.FE.110
Vishnevit Na8(Al6Si6)O24(SO4)·2H2O hexagonal P63 6 9.FE.120
Cancrisilit Na7Al5Si7O24(CO3)·3H2O hexagonal P63mc 6mm 9.FE.140
Hydroxycancrinit (Na,Ca,K)8(Al6Si6O24)(OH,CO3)2·2H2O hexagonal P63 6 9.FE.160
Depmeierit Na8[Al6Si6O24](PO4,CO3)1-x·3H2O {x < 0.5} hexagonal P63 6 9.FE.180
Kyanoxalith Na7(Al5-6Si6-7O24)(C2O4)0.5-1.0·5H2O hexagonal P63 6 9.FE.190

9.FE.2 Liottit-Gruppe - hexagonal, axis for a~~12A and c=n*~~5A, n>1

Liottit (Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4 hexagonal P6 3m 9.FE.210
Tounkit (Na+3.89–5.18K+0.15–1.64Ca2+2.30–2.58(Al6Si6O24)(SO42−,S52−,S4)2−x (Cl, HS)1+y·nH2O (x, y, n < 1)
Formel abgeändert nach Untersuchungen am Typmaterial und weiteren Proben, siehe Nikita V. Chukanov, Nadezhda B. Bolotina, Roman Yu. Shendrik, Anatoly N. Sapozhnikov, Natalia V. Zubkova, Igor V. Pekov, Marina F. Vigasina, Fedor D. Sandalov, Dmitry A. Ksenofontov: Crystal Chemistry and Refined Formula of Tounkite. Minerals Vol. 14, Nr. 4 (2024) Art.-Nr. 382.
trigonal P321 32 9.FE.230
Farneseit (Na37K9Ca10)(Si42Al42)O168(SO4)12·6H2O hexagonal P63/m 6/m 9.FE.240
Sacrofanit (Na,Ca,K)9(Si,Al)12O24[(OH)2,(SO4),(CO3),Cl2)]3·0.5 H2O hexagonal P62c 6m2 9.FE.270

9.FE.3 Microsommit-Gruppe - hexagonal, axis for a~~23A and c~~5A

Mikrosommit (Na,Ca,K)7-8(Si,Al)12O24(Cl,SO4,CO3)2-3 hexagonal P63 6 9.FE.300
Pitiglianoit Na6K2Si6Al6O24(SO4)·2H2O hexagonal P63 6 9.FE.320
Quadridavyn (Na,K)6Ca2(Cl4)(Al6Si6O24) hexagonal P63/m 6/m 9.FE.360

9.FE.4 Wenkit-Gruppe - hexagonal, other axis for a and c

Wenkit Ba4Ca6(Si,Al)20O41(OH)2(SO4)3·H2O hexagonal P62m 6m2 9.FE.400

9.FE.6 Afghanit-Gruppe - trigonal, axis a~~12A and c=n*~~5A, n=1-5

Bystrit Na7Ca(Al6Si6O24)S2-5Cl- trigonal P31c 3m 9.FE.600
Carbobystrit Na8[Al6Si6O24](CO3)·4H2O trigonal P31c 3m 9.FE.610
Afghanit (Na15K5Ca11)(Si24Al24O96)(SO4)6Cl6 trigonal P31c 3m 9.FE.630
Alloriit (Na,K,Ca)24(Na,Ca)4Ca4(Si,Al)48O96(SO4)4(SO3,CO3)2(OH,Cl)2(H2O,OH)4 trigonal P31c 3m 9.FE.640
Franzinit (Na,K)6Ca2[(SO4)2|Al6Si6O24]·0.5H2O trigonal P321 32 9.FE.650

9.FE.7 Giuseppettit-Gruppe - trigonal, axis a~~12A and c=n*~~5A, n>5

Marinellit (Na,K,Ca)48[Cl2|(SO4)8|(Al6Si6O24)6]·3H20 trigonal P31c 3m 9.FE.700
Giuseppettit Na42K16Ca6Si48Al48O192(SO4)10Cl2·5H2O trigonal P31c 3m 9.FE.730
Biachellait (Na,Ca,K)8(Si6Al6O24)(SO4)2(OH)0.5·H2O trigonal P3 3 9.FE.760
Fantappièit [Na82.5Ca33K16.5](Si99Al99O396)(SO4)33·4H2O trigonal P3 3 9.FE.770
Kircherit [Na90Ca36K18](Si108Al108O432)(SO4)36·6H2O trigonal R32 32 9.FE.780



Mineralsystematik-Übersicht