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Showing 1 to 1 of 1 for “"brown diamond"”.
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Survival of Brown Colour in Diamond During Storage in the Subcontinental Lithospheric Mantle
Common brown colour in natural diamond forms by plastic deformation during storage in the subcontinental lithospheric mantle (SCLM). Dislocation movement generates vacancies, which aggregate into clusters of perhaps 30–60 vacancies. Positron annihilation lifetime spectroscopy (PALS) and electron …