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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
Gemstones of the World is truly the single volume that every hobbyist, jeweler, jewelry maker, and rockhound needs: its the cornerstone of the field. And this updated edition contains a host of new findings on ?Gemstones for Collectors, additional gems in the ?Table of Constants, and the ?double fraction figures that experts have long wanted?a very special new feature.All the gemstones are treated in their many variations: more than 1,500 fullcolor photos showcase each precious and semiprecious stone in both its rough, natural, and its polished and cut renditions. Each entry offers complete information on the gemstones formation, structure, physical properties, and characteristics, along with the best methods of working, cutting, and polishing it. There are even full treatments of lesserknown gems, from andalusite to vesuvian, and a special section is devoted to rocks as precious stones, including alabaster, onyx, obsidian, and fossils. Organic gem materials are also covered, such as coral, ivory, amber, and pearl. Charts and tables help collectors identify unknown gemstones and check for genuineness.
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