Betafite

Betafite is a mineral in the pyrochlore group, with the chemical formula (Ca,U)₂(Ti,Nb,Ta)₂O₆(OH). Betafite typically occurs as a primary mineral in granite pegmatites, rarely in carbonatites. Betafite was discovered in 1912 at Betafo, Malagasy Republic.

Betafite crystallizes as Isometric - Hexoctahedral crystals and occurs typically as anhedral grains with color varying from red, greenish brown, dark brown to black. Its luster is vitreous to greasy. Betafite is a radioactive mineral.

References

* Betafite mineral data at Webmineral
* Betafite mineral data at Mindat.org



List of minerals