Formula: Bi4Te3
Origin of name: after locality Börzsöny (Pilsen), Czech Republic
Crystal system: hexagonal
Crystal class: -3 2/m
Twinning:
Unit cell:
Colour: tin-white to light steel-gray
Diaphaneity: opaque
Luster: metallic
Habit: foliated masses
Hardness: 1.5 to 2.5
Specific gravity: 8.41
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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