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<p>[QUOTE=&quot;desertgem, post: 2435278, member: 15199&quot;]Artists have used real amber dissolved in solvents as a glaze or preservative. So no there. Stones made of minerals are safe, but today most stones are treated with organics to fill the internal cracks. A one karat natural untreated emerald has to be of the best quality for high prices, but an oiled one can have the cracks filled with organics of high RI to appear to newbies to be worth same. Emeralds, rubies, Tanzanite, etc. on eBay are considered treated without GIA cert.[/QUOTE]</p><p><br /></p>

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