Formula: Ag3Hg(V,As)O4
Origin of name:
Crystal system: Tetragonal
Crystal class: 4
Twinning:
Unit cell: a = 7.727, c = 4.648
Colour: Red, brownish red
Diaphaneity: Translucent
Luster: Adamantine
Habit: Aggregates, pseudo-octahedral crystals
Hardness:
Specific gravity: 7.733 (calculated)
Cleavage: None
Tenacity: Brittle, conchoidal fracture
Streak: Brownish red
Synonyms/varieties:
Comments:
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