A tour of the mine with Deb Thompson
9:40
Sapphire Mining in Montana
28:44
Finding Sapphires at Two Sapphire Mines in Montana
17:42
Heat Treating Montana Sapphire
16:21
Montana Blue Jewel Sapphire Mine Tour & Jig Clean Out
19:15
Gold mining in the Yukon: Gold panning, sluicing, and more.
12:53
Pink Argyle Diamonds
45:45
Gemstones of Montana 2016 AGM Seminar
13:30