Earth Optics Video 3: Fast & Slow Ray
Channel: Earth Optics
Date: 2015-11-28

In this video, I introduce the concept of light propogating through minerals as a faster and slower ray. Examples use the accessory plate to determine orientation of a faster and slower ray.

For supplemental questions and resources, please check out my webpage at www.earthopticsmineralogy.com

Accessory Plate Image:
http://micro.magnet.fsu.edu/primer/techniques/polarized/images/firstorderfigure1.jpg

Michel-Levy Chart:
University of Liverpool. D Flinn G Newell