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Coltan Mineral
Origin: Nigeria, Tanzania, Kenya, Rwanda
Standard Export Specification (Typical Range)
Parameter Specification
Tantalum Pentoxide (Ta₂O₅) 25% – 40%
Niobium Pentoxide (Nb₂O₅) 10% – 25%
Moisture ≤ 2%
Particle Size 0 – 30 mm
Density 5.3 – 7.3 g/cm³
Radioactivity Low / within international export limit
Packaging for Export
Packed in 50 kg or 1 ton jumbo bags
Stored in sealed containers
Usually shipped in 20 ft containers
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