Formula: K2Cu(SO4)2 . 6H2O
Origin of name: From Greek kyanos - blue and chroma - colour
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Greenish-blue
Diaphaneity: Transparent
Luster: Vitreous
Habit: Crystals tabular; crystalline crusts
Hardness:
Specific gravity: 2.224
Cleavage: 1; {201} perfect
Tenacity:
Streak:
Synonyms/varieties:
Comments: Soluble in water
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