More On Cathodoluminescence and Rare Earth Minerals Exploration

These CL photos are from the special issue of Elements, dedicated to Rare Earth Elements. Volume 8, No. 5, October 2012.

Cathodoluminescence photomicrograph of carbonatite with manganoan calcite (orange-red), primary apatite (purple), hydrothermal apatite (yellow-green), and ferric-iron-bearing orthoclase (pink-red, bottom of image). Horizontal dimension of photo is 1.59 mm. 10 kV, 0.5 mA beam. (Courtesy of Adrian Van Rythoven, Rare Element Resources, Inc.)