|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Canada > Diamond (3.35 carat colorless cavernous cubic uncut diamond)
|Diamond (3.35 carat colorless cavernous cubic uncut diamond)
|Diavik Mine, East Island, Lac de Gras, Northwest Territories, Canada
|Lustrous transparent colorless uncut diamond exhibiting rare cavernous cubic form with raised crystal edges and depressed centers in the faces (hoppered). In the trade these cavernous crystals are known as inversion, or negative crystals. Fluoresces yellow under 365 nm longwave UV illumination
|For reference only
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