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Brown diamonds from an eclogite xenolith from Udachnaya kimberlite, Yakutia, Russia

Stepanov, Aleksandr; Korsakov, Andrey V; Yuryeva, Olga P.; Nadolinniy, Vladimir A.; Perraki, Maria; De Gussem, Kris; Vandenbeele, Peter

Description

Abstract: We have performed petrographic and spectroscopic studies of brown diamonds from an eclogite xenolith from the Udachnaya pipe (Yakutia, Russia). Brown diamonds are randomly intermixed with colorless ones in the rock and often located at the grain boundaries of clinopyroxene and garnet. Brown diamonds can be characterized by a set of defects (H4, N2D and a line at 490.7 nm) which are absent in colorless diamonds. This set of defects is typical for plastically deformed diamonds and...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
URI: http://hdl.handle.net/1885/67224
Source: Spectrochimica Acta: part A
DOI: 10.1016/j.saa.2011.01.006

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