Formula: Bi4Te2S
Origin of name: For the relationship to joseite; "B" to distinguish it from joseite, formerly joseite-A.
Crystal system: Trigonal
Crystal class: 3 2/m
Twinning:
Unit cell: a = 4.34, c = 40.83
Colour: Silver white, tarnishing to lead-gray
Diaphaneity: Opaque
Luster: Metallic
Habit:
Hardness: 2
Specific gravity: 8.3
Cleavage: 1 perfect
Tenacity: Flexible
Streak: Gray
Synonyms/varieties:
Comments:
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