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Hoelzel Classification

4 OXIDES

4.C R2O3 Sesquioxides

4.CJ Betafite-Group, Ti-dominant on the B-site

4.CJ. Betafite-Group, Ti-dominant on the B-site
Betafite group 4.CJ

4.CJ.1

Hydroxycalciobetafite Ca2(Ti,Nb)2(O,OH)6(OH) 4.CJ.110
Scheteligite (Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH) 4.CJ.121
Oxycalciobetafite Ca2(Ti,Nb)2O6O 4.CJ.140
Panguite (Ti4+,Sc,Al,Mg,Zr,Ca)1.8O3 orthorhombisch Pbca mmm 4.CJ.180

4.CJ.7

Oxyuranobetafite (U,Ca,◻)2 (Ti,Nb)2O6O 4.CJ.740

4.CJ.9

Plumbobetafite(Var.v. Pyrochlore supergroup) (Pb,U,Ca)(Ti,Nb)2O6(OH,F) kubisch Fd3m m3m 4.CJ.981
Yttrobetafite-(Y)(Var.v. Pyrochlore supergroup) (Y,U,Ce)2(Ti,Nb,Ta)2O6(OH) amorph 4.CJ.982



Mineralsystematik-Übersicht