Formula: Ag2HgS2
Origin of name: From locality; Imiter mine, Morocco
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 4.04 Ǻ, b = 8.01 Ǻ, c = 6.58 Ǻ, β = 107.1°
Colour: Light gray
Diaphaneity:
Luster:
Habit: Crystals to 3mm, anhedral grains to 1 mm
Hardness: 2.5
Specific gravity: 7.85
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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