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Diamond in Kimberlite - Yakutsk, Sakha Republic, Eastern Siberian Region, Russia Size: 3.1 x 2.0 x 1.5 cm

Diamond in Kimberlite matrix - Yakutsk, Sakha Republic, Eastern Siberian Region, Russia Size: x x cm

Diamond in Kimberlite

Large Diamond attached to Kimberlite matrix from Mir Pipe, Mirny, Saha Republic, Eastern-Siberia Region, Russia

Mineral Specimens: Diamond (8.63 carat pale red-brown octahedral crystal). from Mirny, Sakha (Yakutia) Republic, Siberia, Russia

Uncut Rough Diamond Crystal No. 61245 for sale of Diamond carat pale red-brown octahedral crystal) from Mirny, Sakha (Yakutia) Republic, Siberia, Russia.

Diamond (28.82 carat greenish-gray crystal cluster) from Sakha (Yakutia) Republic, Siberia, Russia.

Mineral Specimens: Diamond carat greenish-gray crystal cluster) from Sakha (Yakutia) Republic, Siberia, Russia

Diamond 55745 / diamond (crystal, silver-gray, octahedron) Mbuji-Mayi, Kasaï-Oriental (East Kasai), Democratic Republic of Congo. Photo: The Natural History Museum of Los Angeles County

Diamond 55745 / diamond (crystal, silver-gray, octahedron) Mbuji-Mayi, Kasaï-Oriental (East Kasai), Democratic Republic of Congo. Photo: The Natural History Museum of Los Angeles County From Bradley Martin

A very large cubic Diamond crystal, 14.50 carats, with a greenish-gray color, Congo. It is rare for rough diamonds to be a cube shape rather than an octahedron.  The surface has the texture of sugar.

A very large cubic Diamond crystal, carats, with a greenish-gray color, Congo. It is rare for rough diamonds to be a cube shape rather than an octahedron. The surface has the texture of sugar.

Diamond - Russia Udachnaya-Vostochnaya Trubka, Respublika Sakha, Sibir' 53.05 carats Transparent almost perfect 53.05 carat octahedron with smooth and flat faces, with some slightly modified terminations and inclusions (of flattened sulfide crystals, probably pyrrhotite+pentlandite) in its center. The latter are reflected 4 times thanks to a kaleidoscope effect on the faces. Unlike most diamonds, this one has almost not been dissolved by the kimberlite which must have risen very fast to…

Diamond - Russia Udachnaya-Vostochnaya Trubka, Respublika Sakha, Sibir' 53.05 carats Transparent almost perfect 53.05 carat octahedron with smooth and flat faces, with some slightly modified terminations and inclusions (of flattened sulfide crystals, probably pyrrhotite+pentlandite) in its center. The latter are reflected 4 times thanks to a kaleidoscope effect on the faces. Unlike most diamonds, this one has almost not been dissolved by the kimberlite which must have risen very fast to…

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