Uniaxial minerals 1: Snow day lecture
4:10
"Isotropic vs Anisotropic Minerals"
28:32
Interference figures
3:16
Conoscopic Figures
27:03
Optical properties of biaxial minerals
1:55:27
Worst Fails of the Year | Try Not to Laugh 💩
2:48:23
A Portal Special Presentation- Geometric Unity: A First Look
31:11
Optical Mineralogy Pt.2- Optical Indicatrix, Uniaxial vs Biaxial, Interference Figures | GEO GIRL
16:04