Photoatlas of Inclusions, vols 1-3, by Gubelin and Koivula AVAILABLE NOW Giclée Prints Photomicrography of Gem Inclusions About mWG Available Now:  Photoatlas of Inclusions in Gemstones, Volume 3 Books by John Koivula About John Koivula Inclusions John Koivula - News & Lectures
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