The roméite group includes:
fluorcalcioroméite:
(Ca,Na)2Sb5+2O6F
hydroxycalcioroméite:
(Ca,Sb3+)2(Sb5+,Ti)2O6(OH)
hydroxyferroroméite:
(Fe2+1.5☐0.5)Sb5+2O6(OH)
oxycalcioroméite:
Ca2Sb5+2O
oxyplumboroméite:
Pb2Sb2O7
The roméite group is a member of the pyrochlore supergroup.
Back to Minerals