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20:36
15 COOLEST ROCKS Ever Found
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28:39
Tucson Gem & Mineral MAIN SHOW Blows Your Mind 🤯
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8:03
Sacrifier une agate pour la science (Est-ce que l'endroit où vous la coupez a de l'importance ?)
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20:07
Cutting a Massive Gemstone Over 1000 Carats! How I Facet This Jumbo Quartz
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10:55
Aquamarine Adventures: From Mine to Collector's Hands
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11:29
Top 10 | Most Expensive and Beautiful Opals in the World
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31:50
World Class Gemstones Found! Peridot! (ft. Jordan Madley)
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23:38