NOVA
PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.
Season 44 · Episode 5 ·
Treasures of the Earth: Gems
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.
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Episode 5 of season 44 of NOVA: “Treasures of the Earth: Gems”. Aired 2016-11-02. Watch it online free on ZapFlix.