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NOVA - Treasures of the Earth: Gems
Seizoen: 43 - Aflevering: 18 / 940 - Eerst uitgezonden: 02 november 2016 - Episode ID: 1406577
Gemstones like diamonds, rubies, opal and jade are the ultimate treasures. Delve into Earth's depths to discover how these precious stones are forged and what explains the unique allure of each captivating gemstone.