Formula: BaF2
Origin of name: For Frank Dickson, American geochemist
Crystal system: Cubic
Crystal class: 4/m -3 2/m
Twinning:
Unit cell:
Colour:
Diaphaneity: Transparent
Luster: Vitreous
Habit: Crystals tiny, well-formed
Hardness: 2.5 to 3
Specific gravity: 4.89
Cleavage: 1; {111} perfect
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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