Minerals with Willsey: Micas
24:19
Minerals with Willsey: Feldspars
19:26
Minerals with Willsey: Olivine, Pyroxene, and Amphibole
24:49
Minerals with Willsey: Quartz
14:48
Rock Identification
17:27
Minerals with Willsey: Hematite, Magnetite, Galena, and Pyrite
10:54
Mica Is In Expensive Phones And Cars But Why Do Miners Make Next To Nothing | Risky Business
31:36
Rock Identification with Willsey: Volcanic Rocks (Tuff, Obsidian, Pumice)
50:39