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Cuprite trillion ct.9.19



549,00 €

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Cuprite trillion ct.9.19

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Cuprite . Is a nice copper mineral with an adamantine and sub metallic luster. A copper oxide with formula Cu2O, hardness 3.5-4. Quite brittle for jewellery. Nevertheless can be set with extreme care for a pendant. This gem shows a metallic luster at reflected light ,while with incandescent light from the side we can see a beautiful pure red color with good transparency. This is a typical cuprite feature, a rare mineral especially in the gem quality. -It comes from Sonora. Mexico. The pictures are done with fluorescent light at 6000°K and then with the aid of the incandescence pen-light source. Size: 16.4x11.4x5 mm. Weight: 9.19 ct. CODE#1744

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