Mineral Identification- Cleavage, Fracture
7:55
Cleavage and Fracture
22:33
Minerals with Willsey: Mineral Properties
10:45
How huge jet LANDED without wheels as millions watched on TV & why Korean plane couldn't do same
22:23
Platinum From Meteorite
11:29
Identifying Common Minerals.mp4
1:55:27
Worst Fails of the Year | Try Not to Laugh 💩
19:17
Rock Identification with Willsey: Nonfoliated Rocks - Quartzite and Marble
3:51:11