Mineralienatlas - Fossilienatlas
4 Oxide |
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4.C R2O3 Sesquioxide |
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4.CC Corundum-Gruppe |
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4.CC.1 |
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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 |