Formula: AgSbS2
Origin of name: From Greek for less and silver
Crystal system: Monoclinic
Crystal class: m
Twinning:
Unit cell: a = 13.22 Å, b = 4.41 Å, c = 12.88 Å, β = 98.8°
Colour: Steel-gray to iron-black
Diaphaneity:
Luster: Metallic adamantine
Habit: Crystals thick tabular, may be complex, often deeply striated; massive
Hardness: 2.5
Specific gravity: 5.25
Cleavage: 3; {010} imperfect, {100} and {101} trace
Tenacity: Subconchoidal to uneven; brittle
Streak: Red
Synonyms/varieties:
Comments:
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