45:08

Biaxial Optics II

1:05:34

Crystallography

23:36

Mesozoic Tectonics

1:09:03

Biaxial Optics

1:25:33

Tectosilicates

1:14:11

Optics of Anisotropic Minerals

46:52

Mineral Chemistry II

1:13:20

Intro to Optical Mineralogy