About this material

Coltan (columbite tantalite) concentrate for tantalum and niobium refiners. Graded by hand and by shaking table, then bagged and sealed.

Every lot is tagged under the regional traceability scheme and comes with an ITSCI style declaration.

Grade sheet

  • Ta2O5: 25% - 45%
  • Nb2O5: 10% - 25%
  • Size: minus 2 mm concentrate
  • Radioactivity: tested and reported
  • Traceability: tagged lots

Quick facts

ReferenceAFM-COLTAN
CategoryBattery Minerals
OriginTanzania / East & Central Africa
Minimum order5 MT
Packing50 kg sealed bags in drums
HS code2615.90
PricePrice on request
Photos of this lot3

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