Formula: Bi2(Te,Se,S)3
Origin of name: After locality; Kawazu mine, Shizuoka Pref., Japan
Crystal system: Hexagonal
Crystal class: 3 2/m
Twinning:
Unit cell: a = 4.24, c = 29.66
Colour: Silver- to tin-white
Diaphaneity: Opaque
Luster: Metallic
Habit: Thin foils
Hardness: 1.5
Specific gravity: 8.08
Cleavage: 1; {0001} perfect
Tenacity: Flexible
Streak: Light steel-gray
Synonyms/varieties:
Comments:
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