Buying rough gemstones on ebay.
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How To Avoid Buying Gems That Are CRAP!
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Faceting a helenite gemstone.
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Deciding How to Cut an Emerald
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Making Money with Gemstones
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How much is left after cutting a Gem??
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Gemstone Scams on eBay: Buyer Beware!
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160 carat rough opal cut an unbelievable gem. Totally unexpected
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