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Dana 8 Systematik

61 Cyclosilicates Cyclosilicate Six-Membered Rings

61.04 Cyclosilicates Cyclosilicate Six-Membered Rings with other anions

61.04.01

Abenakiit-(Ce) Na26Ce6(Si6O18)(PO4)6(CO3)6(SO2)O trigonal R3 3 61.04.01.01

61.04.02 Steenstrupine group

Steenstrupin-(Ce) Na14Ce6Mn2+Mn3+Fe22+(Zr,Th)(Si6O18)2(PO4)7·3H2O trigonal R3m 3m 61.04.02.01
Thorosteenstrupin (Ca,Th,Mn)3Si4O11F·6H2O amorph 61.04.02.02



Mineralsystematik-Übersicht