AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Canada > Diamond (0.67 carat cuttable pale-yellow macle, twinned rough diamond)

Diamond (0.67 carat cuttable pale-yellow macle, twinned rough diamond) from Diavik Mine, East Island, Lac de Gras, Northwest Territories, Canada

Photo below under longwave ultraviolet illumination:

DESCRIPTION:	No. 73678
Mineral:	Diamond (0.67 carat cuttable pale-yellow macle, twinned rough diamond)
Locality:	Diavik Mine, East Island, Lac de Gras, Northwest Territories, Canada
Description:	Lustrous transparent pale-yellow (nearly colorless) natural rough diamond with triangular shape caused by twinning following the Spinel Law on the {111} octahedral plane. The diamond has convex faces with bright natural sparkle, with microscopic flaws. Fluoresces bright white under 365 nm LW UV illumination and phosphoresces orange when extinguished. Collected ca. 2014
Overall Size:	6.7x6.5x2 mm
Crystals:	6.7 mm
Archived:	For reference only

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