Formula: FeAsO4 . 3 1/2 H2O
Origin of name: After locality; Kank, Kutna Hora district, Czech Republic
Crystal system: Monoclinic
Crystal class: unknown
Twinning:
Unit cell:
Colour: Yellow-green
Diaphaneity:
Luster: Vitreous to dull
Habit: Botryoidal coatings and crusts
Hardness: 2 to 3
Specific gravity: 2.70
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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