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1 Million Dollars in Sapphires - Most Colorful Gemstone?
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Unboxing Tourmaline: Gemologist vs. Geologist
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Watch me cut a $100 rough opal into a $2000 gem
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Colombia: el rey de las esmeraldas
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Faceting Another Massive Quartz Over 1000 Carats in a Square Cut!
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14:21
These 5 Ugly Rocks hide Diamonds and other Gems Inside.
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What should you know about Emeralds: Learn about Emeralds and what makes it unique-In Detail (2020)
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