CASES

tantalite ore yield

tantalite ore yield


Tantalite - Wikipedia

Tantalite occurs in granitic pegmatites that are rich in rare-earth elements, and in placer deposits derived from such rocks. It has been found in Australia, Brazil.

Crystal class: Dipyramidal (mmm), H-M symbol: (2/m 2/m 2/m)

Coltan - Wikipedia

Coltan (short for columbite–tantalites and known industrially as tantalite) is a dull black metallic ore, from which the elements niobium and tantalum .