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Weissite

Year of discovery: 1927 (Good Hope mine, USA), 1938 (Japan)

Locality list: No locality of weissite

• Cu_2-xTe
• [Cu_2-x][Te]

• Class: Telluride

• Color: Bluish black
• Tarnish: Black
• Streak: Black
• Luster: Metallic
• Diaphaneity: Opaque

• Cleavage: No
• Hardness: 3
• Density: 6.0

• System: Hexagonal
• Group: 6mmm, P6/mmm
• Lattice: a=12.5, c=21.7