{"product_id":"9780228100072","title":"Gems of the World","description":"\u003cp\u003e \u003ci\u003e\"Lavishly illustrated,\u003c\/i\u003e Gems of the World \u003ci\u003eis intended for anyone who has ever been fascinated by crystals, jewelry, and gems, from general readers to seasoned professionals. It is a fine addition to general collections.\"\u003c\/i\u003e\u003cbr\u003e --Booklist, on the previous edition \u003c\/p\u003e\u003cp\u003e\u003ci\u003eGems of the World\u003c\/i\u003e is a practical and comprehensive guide to the identification and properties of precious and semiprecious gems, novelty stones, agates and crystals. This edition has been revised and thoroughly updated. Changes and new features include updated maps of recently established diamond bourses and geographical country changes, plus new gem varieties and localities where they are found, new techniques for producing synthetic gemstones and simulants, and much more. \u003c\/p\u003e\u003cp\u003eThere is comprehensive information on gems: \u003c\/p\u003e\u003cli\u003e gem formation \u003c\/li\u003e \u003cli\u003e mining \u003c\/li\u003e \u003cli\u003e the diamond industry \u003c\/li\u003e \u003cli\u003e conflict diamonds \u003c\/li\u003e \u003cli\u003e ethical sourcing \u003c\/li\u003e \u003cli\u003e crystal structure (diagrams and cuts) \u003c\/li\u003e \u003cli\u003e optical and physical properties \u003c\/li\u003e \u003cli\u003e fashioning and cutting (properties and uses) \u003c\/li\u003e \u003cli\u003e gemstone cuts for diamonds \u003c\/li\u003e \u003cli\u003e buying a diamond \u003c\/li\u003e \u003cli\u003e buying colored gemstones \u003c\/li\u003e \u003cli\u003e imitation and synthetic gemstones \u003c\/li\u003e \u003cli\u003e gemstone enhancement \u003c\/li\u003e \u003cli\u003e history of gems \u003c\/li\u003e \u003cli\u003e famous diamonds \u003c\/li\u003e \u003cli\u003e caring for gemstones and jewelry \u003c\/li\u003e \u003cli\u003e a color key of 139 gemstones. \u003c\/li\u003e \u003cp\u003eThe text describes the world's diamond cutting and trading centers, the \"diamond pipeline\" that flows from mine to retail, and information on the gemstone industry, ethical mining, conflict diamonds and the emergence of new diamond centers. \u003c\/p\u003e\u003cp\u003eThe description directory of gemstones is organized by their chemical composition. The 139 profiles describe each gem's geology, chemistry, properties (such as color, refractive index, and luster), cultural use in history and its value in jewelry. Photographs show the gem as a raw crystal, in common cuts, polished for use, and in some cases, also in a piece of jewelry. \u003c\/p\u003e\u003cp\u003e\u003ci\u003eGems of the World\u003c\/i\u003e is an ideal reference for gemologists, collectors and general readers. \u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Firefly Books, Limited","offers":[{"title":"Default Title","offer_id":47022924005616,"sku":"9780228100072","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780228100072_p0.jpg?v=1763779917","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780228100072","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}