Formula: PbCu3(AsO4)2(OH)2 . H2O
Origin of name: For John Bayldon, British physician
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 14.08 Ǻ, b = 5.89 Ǻ, c = 10.15 Ǻ, β = 106.1°
Colour: Yellowish green, grass-green, dark green
Diaphaneity:
Luster: Resinous
Habit: Massive, powdery to fine-granular; crusts and minute mammillary concretions
Hardness: 4.5
Specific gravity: 5.5
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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