Cuprite
Chemical Formula	Cu2O
Species	Oxides & Hydroxides
Crystal System	Isometric
Mohs Scale	3-4
Specific Gravity	6.14
Color	Dark red to conchineal red, sometimes almost black
Streak	Shining metallic brownish-red
Luster	Adamantine, Sub-Metallic, Earthy
Refractive Index	n = 2.849
Diaphaneity	Transparent, Translucent
Cleavage	Imperfect/FairInterrupted on , more rarely on .
Fracture	Conchoidal
Crystal Habit：Cubic, octahedral, and dodecahedral crystals; as hairlike capillary forms, earthy, compact granular and massive
Geological Setting：Found in the oxidised zones of copper deposits.