Formula: Cu2(Co3)(OH)2 . 6H2O
Origin of name: For George Payne, Australian chemist
Crystal system: Amorphous
Crystal class: Unknown
Twinning:
Unit cell:
Colour: Light blue
Diaphaneity: Transparent to subopaque
Luster: Vitreous to earthy
Habit: Coatings, pulverulent
Hardness:
Specific gravity: 2.55
Cleavage: None
Tenacity:
Streak: Pale blue
Synonyms/varieties:
Comments: Amorphous analogue of malachite
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