Formula: CaZnMn(AsO3OH)2(OH)3
Origin of name: For Julius Lothar Meyer, German chemist
Crystal system: Monoclinic
Crystal class: 2 or m or 2/m
Twinning: Possible about [010] axis
Unit cell: a = 13.43 Å, b = 6.24 Å, c = 9.06 Å, β = 100.3°
Colour: Reddish-orange
Diaphaneity:
Luster: Vitreous
Habit: Crystals equant, twinned
Hardness: 3
Specific gravity: 4.23
Cleavage: None
Tenacity:
Streak: Orange
Synonyms/varieties:
Comments:
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