A fascinating, richly illustrated guide to the identification and use of gemstones. The introduction describes the geology, chemistry and properties of gems in clear and accessible terms, and also provides a valuable colour key. The main section supplies complete descriptions of a wide range of gems, with illustrations of the crystal, gem, common cuts of jewellery.
* Describes more that 130 varieties of gemstones
* Over 850 photos of gems, crystals and jewellery
* More than 50 drawings and diagrams
* World Maps of important gem locations