Formula: Pb3Bi2S6
Origin of name: from locality Chaobuleng district, Xilingola League, Inner Mongolia, China.
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 13.511, b = 4.085, c = 20.649, β = 92.15°
Colour: Lead-gray
Diaphaneity: Opaque
Luster: Metallic
Habit: Crystals prismatic, striated, 0.1 to 8 mm, twinned
Hardness: 3
Specific gravity: 7.08
Cleavage:
Tenacity:
Streak: Gray
Synonyms/varieties:
Comments:
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