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The GIA Essential Colored Stones Reference Guide 1999 is a comprehensive gemological textbook published by the Gemological Institute of America (GIA). This illustrated reference guide is designed for adult education and features detailed information on gem identification and gemology. With 135 pages and a paperback format, this guide is a valuable resource for beginners and business professionals interested in the world of colored stones. Written in English and produced in the United States, this textbook is a key tool for those looking to deepen their knowledge of gemstones and their properties.
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