FACETING 101 - Lesson 151 Synthetic Sapphire
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1:11:53
Faceting 101 - With Arya Akhavan - 2014 - Complete Edition
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28:08
Cómo encontrar diamantes en ríos o rocas volcánicas cerca de TI
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20:14
$6000 investment - The best cut ever - Rare Harlequin Black Opal
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17:03
How To Cut Gemstones - Sapphire
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2:21:46
¡MELODÍAS LEGENDARIAS QUE NUNCA PODRÍAS ABURRIRTE DE ESCUCHAR! MEJOR MÚSICA INSTRUMENTAL
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17:42
Heat Treating Montana Sapphire
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18:04
Synthetic vs Natural Gemstone Unboxing: Ruby, Emerald & More!
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15:42