Micro-Features of Sapphire Chart
32" x 20" (80 x 50 cm)
This wall chart contains superbly detailed photomicrographs showing internal features observed in natural, treated, and synthetic sapphires. Published in the Summer 2017 issue with the article by Nathan D. Renfro et al., ìInclusions in Natural, Synthetic, and Treated Sapphire," Gems & Gemology, Vol. 53, No. 2, pp. 213-214.
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