Formula: (Ag,Cu)(Bi,Pb)3S5
Origin of name: from Latin pavo = peacock, for M. Peacock, Canadian mineralogist
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: lead-gray to tin -white
Diaphaneity: opaque
Luster: metallic
Habit: crystals bladed, tiny, massive
Hardness: about 2
Specific gravity: 6.54
Cleavage: none
Tenacity:
Streak: lead-gray
Synonyms/varieties:
Comments:
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