Can we polish opal a bit faster by using this method? The result is impressive.
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160 carat rough opal cut an unbelievable gem. Totally unexpected
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Complete Guide to Opal Doublet Making
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How to clean and polish opals with a Dremel
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Rough Opal Buying Guide
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How to Slice Opal with a Dremel (Detailed Guide Slicing Opal)
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How to Remove a Scratch From Opals and Polish
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Ordinary Beach Rock Turns Into a Fabulous GEMSTONE!
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