Formula: TlCu5SbS2
Origin of name: for John Rose-Hansen, Danish mineralogist
Crystal system: orthorhombic
Crystal class: 222
Twinning:
Unit cell:
Colour: cream to dull bluish gray in reflected light
Diaphaneity: opaque
Luster: metallic
Habit: grains, 0.05 to 0.5 mm
Hardness:
Specific gravity: 7.78
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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