Formula: Mn2Cl(OH)3
Origin of name: For James Kemp, American geologist
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: Emerald-green
Diaphaneity:
Luster:
Habit: Crystals prismatic, elongated on c-axis, minute
Hardness: ~ 3.5
Specific gravity: ~ 2.94
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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