| |
By Walter Schumann. The most complete book ever published on the subject. All the gemstone types ever discovered are treated in their many variations. Over 1,500 full-color photos showcase every precious and semiprecious gemstone in both their rough natural state and polished and cut renditions. Offers complete information on a particular gemstone's formation and structure, physical properties and characteristics. Methods of working, cutting, and polishing. 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. Everything is covered including imitations, synthetics, and combined stones. Truly the one volume reference every jeweler, jewelry maker, and rock hound will ever need. 272 pages.
|
|
