Formula: Cu5(PO4)2(OH)4
Origin of name: after locality Reichenbach, Germany
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: dark green
Diaphaneity: translucent
Luster: vitreous
Habit: crystals lancet-shaped, to 0.3 mm
Hardness: 3.5
Specific gravity: 4.35
Cleavage: none
Tenacity:
Streak: light green
Synonyms/varieties:
Comments: trimorphous with ludjibaite and pseudomalachite
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