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This full-color guide to colored gems provides information on quality evaluation, price comparison, gem identification, cutting styles, treatments, fake stones, gem care and geographic sources. There are 323 new color photos and several new gem species and varieties in this updated edition. Written for consumers and professionals, the Gemstone Buying Guide is a practical, well-illustrated resource for buying, identifying and caring for colored gems.How this book differs from other full-color gem books:Other full-color books on gems like Schumann's Gemstones of the World are identification and field guides or history and museum books, not gemstone evaluation guides. The Gemstone Buying Guide is quite different from these field guides and museum books and is a complement to them because it contains:Guidelines on evaluation gem quality.

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