NOVA

Treasures of the Earth: Gems

episode / view more episodes

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.

Related Gifts

WTTW Ceramic Mug

Donate $40.00 or more to receive this gift as our way of saying "thank you!"

WTTW Tote Bag

Donate $40.00 or more to receive this gift as our way of saying "thank you!"

Basic Membership with WTTW Apron

Donate $60.00 or more to receive this gift as our way of saying "thank you!"

WTTW Glass Water Bottle 25 oz.

Donate $60.00 or more to receive this gift as our way of saying "thank you!"

Thanks to our sponsors: