Formula: PbAgBi3S6
Origin of name: For Gustav Hageman, chemical engineer, Greenland
Crystal system: Orthorhombic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Steel-gray
Diaphaneity: Opaque
Luster: Metallic
Habit: Tabular grains
Hardness: 3 to 3.5
Specific gravity: 7.01
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments: Series with lillianite
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