Formula: Zn2Fe3(AsO4)3(OH)4 . 10H2O
Origin of name: After locality; Mapimi, Mexico
Crystal system: Monoclinic
Crystal class: m
Twinning:
Unit cell:
Colour: Blue to green
Diaphaneity:
Luster: Vitreous
Habit:
Hardness: 3
Specific gravity: 2.95
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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