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  1. Lab Notes - Buff-top round diamond . Large HPHT-treated Fancy pink diamond . Orange diamond with unusual color origin . Pseudo-synthetic growth structure observed in natural diamond . Green diamond, treated with radioactive salt . Diamond with extremely strong 578.9 nm emission center . CVD-grown synthetic with aggregated nitrogen impurities . Three CVD synthetics submitted to GIA's Mumbai laboratory . Very large CVD synthetic . Yellow synthetic sapphire colored by trapped-hole mechanism

    Gems and gemology , 2013

    Enthalten in: Gems and gemology

    OLC Kunst und Kunstwissenschaft