Formula: Pb3Cu3Bi7S15
Origin of name: For G. Lindström, Swedish mineral analyst
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: Lead-gray to tin-white
Diaphaneity: Opaque
Luster: Metallic
Habit: Crystals prismatic, no terminal faces, striated along elongation
Hardness: 3 to 3.5
Specific gravity: 7.01
Cleavage: 3; {110}, {010}, {230} good
Tenacity:
Streak: Black
Synonyms/varieties:
Comments:
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