NOVA - Treasures of the Earth: Gemstones | KUED.org
Credit: Courtesy of Doug Hamilton

Treasures of the Earth: Gemstones

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.

Rating: 
TVG
Length: 
55 minutes
Closed Caption: 
KUED Closed Caption Icon

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