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Hölzel Systematik

4 Oxide

4.C R2O3 Sesquioxide

4.CC Corundum-Gruppe

4.CC.1

Korund Al2O3 trigonal R3c 3m 4.CC.100
Hämatit Fe2O3 trigonal R3c 3m 4.CC.120
Eskolait Cr2O3 trigonal R3c 3m 4.CC.130
Karelianit V2O3 trigonal R3c 3m 4.CC.140
Tistarit Ti2O3 trigonal R3c 3m 4.CC.150
Maghemit Fe2.67O4 kubisch P4132, P4332 432 4.CC.170



Mineralsystematik-Übersicht