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Heated Vs Unheated Sapphires Rubies Prices 5.92 MB | 7:11 Download |
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Gemstone Heat Treatments 4.41 MB | 5:21 Download |
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Gem Heat Treatments Explained Gem Dictionary 1.00 MB | 1:13 Download |
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Gemstone Heat Treatment Part 1 Wait To See The Magic 942.19 KB | 1:07 Download |
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Ruby From Burma Heat Treated 225.00 KB | 0:16 Download |
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Heat Treatment Milky Geuda Sapphire 393.75 KB | 0:28 Download |
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First Time Heat Treating Rubies 8.03 MB | 9:45 Download |
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Heat Treating Montana Sapphire 14.58 MB | 17:42 Download |