The mineral group tantalite [Ta₂O₆] is the primary source of the chemical element tantalum. It is chemically similar to columbite, and the two are often grouped together as a semi-singular mineral called coltan or "columbite-tantalite" in many mineral guides.
Crystal class: Dipyramidal (mmm); H-M symbol: (2/m 2/m 2/m)
Crystal system: Orthorhombic crystal system
Mohs scale hardness: 6-6.5
Strunz classification: 4.DB.35
Cleavage: Good in one direction
Specific gravity: 8.0+
Crystal class: Dipyramidal (mmm); H-M symbol: (2/m 2/m 2/m)
Crystal system: Orthorhombic crystal system
Mohs scale hardness: 6-6.5
Strunz classification: 4.DB.35
Cleavage: Good in one direction
Specific gravity: 8.0+
Comments :
Post a Comment