Photo: J. C. Zwaan; courtesy Barker & Co. and Pala International. Figure 23, Gems & Gemology, Spring 2008.
Gem Education
Beyond the Surface: Six Papers on Gemstone Science
A short introduction to six research papers shared by Alexander Falster, exploring tourmaline, emeralds, Erongo, londonite and pezzottaite—with links to read the papers.
