A tour of the mine with Deb Thompson
9:40
Sapphire Mining in Montana
28:44
Finding Sapphires at Two Sapphire Mines in Montana
9:49
I Found This Unbelievable Abandoned Ruin
19:15
Gold mining in the Yukon: Gold panning, sluicing, and more.
17:42
Heat Treating Montana Sapphire
45:45
Gemstones of Montana 2016 AGM Seminar
26:41
Agate Expo, Cedarburg, WI, July 2016
16:21