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Tellurantimony

Year of discovery: 1972 (Mattagami Lake mine, Canada), 1985 (Japan)

Locality list: 2 localities of tellurantimony

• Sb₂Te₃
• [Sb³⁺₂][Te₃]^6-

• Class: Tetradymite group
• Class: Telluride

• Sb => Bi: Tellurobismutite (Series)
• Sb => As: Kalgoorlieite

• Te => Se: Antimonselite
• Te => S: Stibnite, Metastibnite

• Color: Pink, Pale brown, Silver white
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Tabular
• Twin: Perpendicular to the elongation

• Cleavage: Perfect
• Hardness: 2
• Density: 6.5

• System: Trigonal
• Group: (-3)m, R(-3)m
• Lattice: a=4.3, c=30.5

Etymology: Chemical composition