Formula: Pb48Sn18Fe7Sb16S115
Origin of name: after locality Potosí, Bolivia
Crystal system: triclinic
Crystal class: 1
Twinning:
Unit cell:
Colour: white in reflected light
Diaphaneity: opaque
Luster: metallic
Habit: crystals 5 to 10 micron
Hardness: 2.5
Specific gravity: 6.20
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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