Photo by: Laurent Kbaier


Formula: Cu2O
System: Isometric
Colour: Dark red to cochineal ...
Lustre: Adamantine, Sub-Metallic, Earthy Hardness:3½ - 4
From Villecun, Olmet-et-Villecun, Hérault, Occitanie, France

Its dark crystals with red internal reflections are in the isometric system hexoctahedral class, appearing as cubic, octahedral, or dodecahedral forms, or in combinations. Penetration twins frequently occur.

Photo by: Laurent Kbaier
 
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