Formula: Bi2PO4OOH
Origin of name: Named for the locality, Smrkovec, Slavkovsky Mt, Marianske Lazne, Czech Republic.
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 6.954, b = 7.494, c = 10.869, β = 107°
Colour: White, yellow
Diaphaneity: Transparent to translucent
Luster: Vitreous-adamantine
Habit:
Hardness: 4-5
Specific gravity:
Cleavage:
Tenacity:
Streak: White
Synonyms/varieties:
Comments:
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