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Nova

Treasures Of The Earth: Gem

Season 43, Episode 18 of 20

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.

More From this Series

Previously Aired

Day
Time
Channel
11/2/2016
9 p.m.
PBS 6
11/3/2016
3 a.m.
PBS 6
11/4/2016
2 p.m.
PBS 6
11/6/2016
8 a.m.
PBS 6
7/11/2018
10 p.m.
PBS 6
7/12/2018
3 a.m.
PBS 6
7/13/2018
3 p.m.
PBS 6
7/15/2018
9 a.m.
PBS 6
7/15/2018
9 p.m.
PBS 6 Plus
7/16/2018
2 a.m.
PBS 6 Plus
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