Ethiopian Opal Drying. The Slow And Careful Way... Successful! Amazing Welo Opal After Drying!!!
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How To Cut And Polish Ethiopian Opal? Gem Ethiopian Opal Carving And Polish.
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Revealing Opal color with a huge increase of value
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Cutting Wello Opal Part 1
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The complete guide to Ethiopian Opals
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Can You Remove The Smoke From Opal?
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300 carat massive uncut gem polished in reverse
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Rainbow matrix: stabilising/resin treatment.
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