Formula: CuFe2(PO4)2(OH)2
Origin of name: For G. Hentschl
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 6.984, b = 7.786, c = 7.266, β = 117.68°
Colour: Dark green
Diaphaneity: Translucent
Luster: Vitreous
Habit: Crystals microscopic, twinned
Hardness: 3.5
Specific gravity: 3.79
Cleavage: None
Tenacity:
Streak: Light green
Synonyms/varieties:
Comments:
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