Huge pegmatite mined for columbite-tantalite.
100 Mio t of reserves.
Ref:
- Kristiansen, R. (2001): Sjeldne tantalniobater fra Sentral-Afrika. eksotiske minerallokaliteter II (Exotic mineral-locations II). STEIN 28 (2): 21-28 [notes on thoreaulite and cesplumtantite]
Mineral List:10 entries listed. 7 valid minerals. 2 type localities (valid minerals).
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