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Diameter, mm (1mm - 0,039inch)

Fluorescent Minerals (UV) "Cuprite"

Cuprite is a supergene mineral of the copper zones of oxidation, which does not form large accumulations. In the best samples, it may have a so-called reflex - it turns red in bright light.

You can see cuprite stone for sale and buy it in the Minerals of Russia online store.

Physical properties of Cuprite

Category Oxide mineral
(repeating unit)
IMA symbol Cpr
Strunz classification 4.AA.10
Dana classification
Crystal system Cubic
Crystal class Hexoctahedral (m3m)
H-M symbol: (4/m 3 2/m)
Space group Pn3m
Unit cell a = 4.2685 Å; V = 77.77 Å3; Z = 2
Color Dark red to conchineal red, sometimes almost black
Crystal habit Cubic, octahedral, and dodecahedral crystals; as hairlike capillary forms, earthy, compact granular and massive
Twinning Penetration twins
Cleavage Fair in four directions forming octahedrons
Fracture Conchoidal to uneven
Tenacity Brittle
Mohs scale hardness 3.5 to 4
Luster Adamantine, sub-metallic, earthy
Streak Shining metallic brownish-red
Diaphaneity Transparent, translucent
Specific gravity 6.14
Optical properties Isotropic
Refractive index n = 2.849
Pleochroism Visible

Marshite, Cerussite, Cuprite (red effect)
Code: 2632
Rubtsovskoye field, Altai, Southern Siberia, RF

0.00 $ $280.00

Code: 2615
Rubtsovskoye field, Altai, Southern Siberia, RF

0.00 $ $130.00

Code: 2631
Rubtsovskoye field, Altai, Southern Siberia, RF

0.00 $ $80.00

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