Tantalite Ore

Tantalite Ore Technical Specifications

Property Value (Typical High-Grade Concentrate)
Common Name(s) Tantalite, Coltan (when mixed with Columbite)
Chemical Formula $(Fe, Mn)Ta_2O_6$
$Ta_2O_5$ Content 30% – 45%+ (Varies by origin)
Density 7.6 – 8.0 g/cm³
Hardness (Mohs) 6.0 – 6.5
Melting Point (Pure Ta) 3,017°C (5,463°F)
Color Sub-metallic Black to Dark Brown
Crystal System Orthorhombic
Associated Minerals Niobium, Tin, Manganese, Iron
Processing Utility Capacitor grade powder, Tantalum carbides, Superalloys
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