Commodity : COLTAN (Columbite-Tantalite) Chemical Formula FORMULA : Fe++Ta2O6 Packaging : Drums / Bulk Bags Inspections : ASI / SGS Price: $40,000.00 per Metric Ton Origin : Democratic Republic of Congo BUYER COMES AND INSPECT GOODS BEFORE PAYMENT AND SHIPMENT. SPECIFICATIONS : Ta205 40.22% Nb205 24.64% Th02 0.041% U308 0.103 Moisture 0.073% Atomic Number 73 System Orthorhombic Molecular Weight 513.74 gm Mohs Hardness 6 to 6.5 Color Variations of black Specific Gravity ~ 8.0
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