Sri Lanka Unearthed Pt2 : Le voyage d'une pierre précieuse continue
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14:51
Borrador final de Sri Lanka 2025 5
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28:05
PIEDRA PRECIOSA DE ÓPALO DE LIGHTNING RIDGE, AUSTRALIA blackopaldirect.com
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31:53
La mesa más cara que hemos construido jamás
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20:03
Vietnam Unearthed: Ruby, Spinel, Sapphire and more, explore gemstones and gem mining in Luc Yen.
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13:12
Welcome to Rubyland (with extra footage): Exploring the Gemstones of Burma (Myanmar)
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18:09
Easy Gem Tests Gemologists Actually Use
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8:37
Sri Lanka's Lucrative Gem Mines (2002)
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16:13