Formula: Ag3Hg2
Origin of name: from Greek para = similar and schachnerite
Crystal system: orthorhombic
Crystal class: mm2 or 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: creamy white (polished section)
Diaphaneity: opaque
Luster: metallic
Habit: crystals to 1 cm, twinned, complex
Hardness: more than 3.5
Specific gravity: 12.98
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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