What's My Rock? #9 — a rock identification show
18:27
What's My Rock? #10 — a rock identification show
24:49
Minerals with Willsey: Quartz
12:53
100 carat rough opal fresh out of the mine gets cut
15:49
Top 8 Beginner Rock Tumbling Mistakes
19:17
Rock Identification with Willsey: Nonfoliated Rocks - Quartzite and Marble
20:14
$6000 investment - The best cut ever - Rare Harlequin Black Opal
24:07
Learn to Identify Lake Huron Rocks with Two Geologists
31:36