Arizona PBS Previews

NOVA : 4318

Preview | 30s

“Treasures of the Earth: Gems” – Delve into Earth’s depths to discover how precious stones are forged and what explains the allure of each captivating gemstone.

Aired: 09/11/19

Rating: NR

Problems Playing Video? | Closed Captioning

Arizona PBS Previews is a local public television program presented by Arizona PBS.