bn:00975539n
Noun Concept
Categories: Uranium minerals, Oxide minerals, Minerals described in 1912, Minerals in space group 227, Calcium minerals
EN
betafite  (Ca,U)2(Ti,Nb,Ta)2O6(OH)  betafite group  Calciobetafite  oxycalciobetafite
EN
Betafite is a mineral group in the pyrochlore supergroup, with the chemical formula 22O6. Wikipedia
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EN
Betafite is a mineral group in the pyrochlore supergroup, with the chemical formula 22O6. Wikipedia
A radioactive mineral in the pyrochlore group, having chemical formula (Ca,U)2(Ti,Nb,Ta)2O6(OH). Wiktionary