Minerals with Willsey: Feldspars
24:49
Minerals with Willsey: Quartz
19:26
Minerals with Willsey: Olivine, Pyroxene, and Amphibole
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Mineralogy: Lecture 48, Feldspars
17:03
Hounding for Gorgeous Rose Quartz, Tourmaline, and Feldspar! Perusing Pegmatites in South Dakota!
14:47
Road Cut Fun North of Coldwater Ontario
19:17
Rock and Mineral Identification
18:38
Minerals with Willsey: Micas
22:33