Worlds Largest Opal Auctioned!
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8:44
My BIGGEST challenge ever! A massive chunk of Andamooka opal
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10:58
160 carat rough opal cut an unbelievable gem. Totally unexpected
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6:37
Why Black Opal Is So Expensive | So Expensive
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8:16
The Bushmen Unearth RARE & DAZZLING Crystal Seam Opal! | Outback Opal Hunters
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4:37
Pawn Stars: RARE GEM WORTH BIG MONEY (Season 8) | History
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15:15
Amazing Woodturning Crazy - A Idea Crafted Perfectly From Those Colored Plastic Straws On Wood Lathe
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3:33
110-Year-Old Yellow Brazilian Diamond Ring Worth Five Figures | Antiques Roadshow
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9:48