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Reply To: Gem lab certificate about enhanced rubies

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When u are talkin ‘glass-filled, serious heated material’ then are lookin for silk/rutile inclusions in ruby/sapphire ur looking at remnants of silk replaced by melted crystals, small cloudy formations around fissures in the stone & new kinds of ‘silk’ formed by heating the ruby, nothing like the natural fine formations in untreated stone. In short, heating the ruby actually melts the silk & that is absorbed back into the stone, if done right, u have a cleaner looking ruby in most cases but there is usually other types of residue from the heat that professionals can pickup under close exam. Untreated rubies are a joy to see under a scope because of actually seeing such fine material & how it is arranged by nature-really neat!-stevie…

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