Formula: Cu2(PO4)(OH)
Origin of name: Locality; Libethen, Hungary, now called Lubietova, Slovakia
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell: a = 8.063 Å, b = 8.398 Å, b = 5.887 Å
Colour: Light to dark green, blackish green, light to dark olive-green
Diaphaneity:
Luster: Vitreous
Habit: Crystals equant, short prismatic, acicular or blade-shaped; isolated or as crusts
Hardness: 4
Specific gravity: 3.97
Cleavage: 2; {100} and {010} indistinct
Tenacity: Conchoidal to uneven
Streak:
Synonyms/varieties:
Comments:
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