Formula: Mn(AsO4)(OH)
Origin of name: from Greek for made of flesh
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 12.68 Å, b = 13.54 Å, c = 10.17 Å, b = 108.7°
Colour: dark red to reddish yellow to yellow
Diaphaneity:
Luster: greasy
Habit: crystals thick tabular, slightly elongated, or prismatic, granular, spherical
Hardness: 4 to 5
Specific gravity: 4.08 to 4.18
Cleavage: 1; {100} distinct
Tenacity:
Streak: red to yellow
Synonyms/varieties:
Comments:
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