Formula: C13H10
Origin of name: For J. Kratochvil, Czech petrographer
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: White
Diaphaneity:
Luster:
Habit:
Hardness:
Specific gravity: 1.21
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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