Formula: Ca3Mn(SO4)2(OH)6 . 3H2O
Origin of name: For Pierre Despujols, French geologist
Crystal system: Hexagonal
Crystal class: -6m2
Twinning:
Unit cell:
Colour: Lemon-yellow
Diaphaneity:
Luster: Vitreous
Habit: Crystals prismatic, hexagonal
Hardness: ~ 2.5
Specific gravity: 2.46
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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