Formula: BiF3
Origin of name: After locality; gan for Jianxi Prov. and nan for Ganan dist., China
Crystal system: Cubic
Crystal class: -43m
Twinning:
Unit cell:
Colour: Brown to greenish black
Diaphaneity: Subtranslucent
Luster: Resinous to semimetallic
Habit: Irregular aggregates 0.15-0.7 mm
Hardness:
Specific gravity:
Cleavage: None
Tenacity:
Streak: Dark gray
Synonyms/varieties:
Comments: Readily soluble in HCl and HNO3
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