Montana Sapphire Mining
28:44
Finding Sapphires at Two Sapphire Mines in Montana
17:21
A tour of the mine with Deb Thompson
39:20
Une découverte choquante dans une souche d'un cimetière
14:36
Sapphire Mining Adventure at Gem Mountain, Montana!
10:52
Passion and Searching for Sapphires
26:00
Crystal Park And Elkhorn Hot Springs
29:18
Mining topaz and aquamarine and building a mountain road | Mt. Antero Treasures S4:E1
23:57