
Sign up to save your podcasts
Or


White, pink, yellow and blue opals hide in the rocky landscape of Spencer Opal Mines, the largest-producing precious opal mine in the United States.
By Boise State Public Radio4.5
102102 ratings
White, pink, yellow and blue opals hide in the rocky landscape of Spencer Opal Mines, the largest-producing precious opal mine in the United States.

90,795 Listeners

43,986 Listeners

38,509 Listeners

43,647 Listeners

38,751 Listeners

9,213 Listeners

4,006 Listeners

8,447 Listeners

12,159 Listeners

6,423 Listeners

4,671 Listeners

16,356 Listeners

11 Listeners

434 Listeners

9 Listeners