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Dominant species
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Betafite
Betafite
Chemical
Formula
(Ca,U)2(Ti,Nb,Ta)2O6(OH)
Species
Oxides & Hydroxides
Crystal
System
Isometric
Mohs
Scale
4-5
Specific
Gravity
3.75-4.82
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, Madagascar.

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.


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