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Kawazulite (Photo)

Year of discovery: 1969 (Japan as the first occurence in the World)

Locality list: 3 localities of kawazulite

• Bi₂Te₂Se
• Bi₂(Te,Se,S)₃
• [Bi³⁺₂][Se|Te₂]^6-

• Class: Tetradymite group
• Class: Telluride - Selenide

• Se => S: Tetradymite
• Se => Te: Tellurobismuthite

• Te => Se: Skippenite

• Te₂Se => Se₃: Paraguanajuatite, Guanajuatite
• Te₂Se => S₃: Bismuthinite

• Color: Silver white
• Streak: Dark gray
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Thin platy

• Cleavage: Perfect on {0001} (1 plane)
• Hardness: 1.5
• Density: 7.8

• System: Trigonal
• Group: (-3)m, R(-3)m
• Lattice: a=4.2, c=29.7

Etymology: Kawazu mine in Shizuoka prefecture, Japan, where this mineral was discovered for the first time.