Columbite-Tantalite

Specimen ID: YLJ-WEL

Mineral(s)
Locality
Mindat locality:
Events

Photo added to mindat.org

A rather crude but large (13 cm) crystal of the columbite-tantalite series; they are being locally mined on a small scale basis for the tantalum content; photo by Wolfgang Hampel.
Wolfgang Hampel - 11th June 2013
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