October 3-7—JOSHUA TREE, CALIFORNIA: Annual show; Sportsmans Club of Joshua Tree
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 Post subject: Photoluminescence Spectra of Emeralds by Brian Thompson
PostPosted: Thu Nov 09, 2017 12:55 pm 
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Photoluminescence Spectra of Emeralds from Colombia, Afghanistan, and Zambia
Peer Reviewed Article
D. Brian Thompson, Christian J. Bayens, Matthew B. Morgan, Taylor J. Myrick, and Nealey E. Sims
G&G Fall 2017 wrote:
Image
Figure 1. Emerald crystals from Colombia (top right), Afghanistan (bottom right), and Zambia (left). Each emerald’s hexagonal prismatic crystal habit has been enhanced by polishing flat the two hexagonal end faces (perpendicular to the crystal’s c-axis) and two or more prism sides (parallel to the c-axis). Photo by D.B. Thompson.


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