Formula: (Cu,Co)5(AsO4)2(AsO3OH)2 . 10H2O
Origin of name: For J. Lindacker, Austrian chemist
Crystal system: Monoclinic
Crystal class: 1 or -1
Twinning:
Unit cell:
Colour: Apple-green, green
Diaphaneity:
Luster: Vitreous
Habit: Crystals lath-like, tiny, in rosettes or crusts
Hardness: 2 to 2.5
Specific gravity: 3.20
Cleavage: 1; {010} perfect
Tenacity:
Streak: Pale green
Synonyms/varieties:
Comments: Cu analogue of geigerite and chudobaite
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