MOMENTAN AUSVERKAUFT

Gems of the World by Cally Oldershaw (2008, Hardcover)

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Product Identifiers

PublisherFirefly Books, The Limited
ISBN-101554073677
ISBN-139781554073672
eBay Product ID (ePID)63634535

Product Key Features

Book TitleGems of the World
Number of Pages256 Pages
LanguageEnglish
Publication Year2008
TopicEarth Sciences / Mineralogy, Jewelry, Rocks & Minerals
IllustratorYes
GenreNature, Science, Crafts & Hobbies
AuthorCally Oldershaw
FormatHardcover

Dimensions

Item Height1 in
Item Weight0 Oz
Item Length10 in
Item Width7.7 in

Additional Product Features

Intended AudienceTrade
Dewey Edition23
ReviewsAn excellent introduction to the world of gems, and it follows much of the beginning curriculum for a gemological diploma., [This book] is an up-to-date and illustrated reference guide for the identification and use of precious and semiprecious gems., Whatever your stone, Oldershaw knows how to identify, rate, and care for it... [She is] and expert and former museum curator of gemstones., Information that will enlighten gemologists, as well as jewelers and those who appreciate the wonders of the gem world., The more than 130 gemstones, presented in vivid colour photographs, detailed art work, and diagrams, all provide information that will enlighten gemologists, as well as jewelers and those who appreciate the wonders of the gem world. Well documented maps, showing the location of the gems of the world, provide valuable guides., Gems of the World by gemologist Cally Oldershaw is an up-to-date and illustrated reference guide for the identification and use of precious and semiprecious gems., With semi-precious stone jewelry surging in popularity, this hefty hardcover offers fascinating detail about the stones' origins and quality. A great guide to identify and learn about stones in pieces you already own, from abalone to zoisite, not to mention diamonds, sapphires and the usual precious stones too., [This] is an excellent introduction to the world of gems, and it follows much of the beginning curriculum for a gemological diploma (though it will not serve to replace it)....The entries are rich in detail and useful information, including complete gemological properties. The book concludes with a useful series of maps of worldwide gem localities, a glossary of gem terms, and an index.... It would be ideal for novice gem enthusiasts looking to begin their scientific study of the subject, and it should serve admirably as a counter aid for retail jewelers. The book's production values are solid, and the paper and binding are of sufficient quality to survive years of use., Offers fascinating detail about the stones' origins and quality. A great guide to identify and learn about stones.
Dewey Decimal553.8
Table Of ContentForeword INTRODUCTION Gem Formation Mining The Diamond Industry Diamond Cutting and Trading Centers Conflict Diamonds -- Ethical Sourcing Crystal Structure Optical Properties Physical Properties Fashioning and Cutting Gemstone Cuts for Diamonds Buying a Diamond Buying Colored Gemstones Imitation and Synthetic Gemstones Gemstone Enhancement History of Gems Famous Diamonds Caring for Gemstones and Jewelry Color Key Classification GEMS [illustrated descriptions of varieties of gemstones grouped as:] Carbon (diamond) Sulfides (3 gems) Oxides and Hydroxides (12 gems) Halides (flurorite) Carbonates (9 gems) Borate (sinhalite) Sulfates and Chromates (4 gems) Tungstate (scheelite) Phosphates (5 gems) Silicates (87 gems) Igneous Rock (obsidian) Tektites (moldavite) Synthetics and Imitations Organics (7 types) Precious Metals (3 types) Important Gem Locations of the World Glossary Index Useful Addresses and Acknowledgements
SynopsisA practical, comprehensive guide to the identification and use of precious and semi-precious gems, novelty stones, agates and crystals. Gem profiles include color photographs of the raw crystal, common cuts and polished state; charts provide key details., "A comprehensive, up-to-date and beautifully illustrated reference." This new book is a practical, comprehensive guide to the identification and use of precious and semi-precious gems, novelty stones, agates and crystals. Presenting the latest information on the gemstone industry, with an extensive section on ethical mining, conflict diamonds, and the emergence of new diamond centers, Gems of the World is a completely up-to-date reference for gemologists, rock hounds and general readers. Cally Oldershaw clearly explains the geology, chemistry and properties, and key aspects of gemstones. The main section of the book includes descriptions of a wide range of gems, each profiled with a color photograph showing its raw crystal, common cuts, and polished state for use in jewelry. At-a-glance charts identify refractive index, crystal group, luster, hardness and cleavage for each gem. The book also features illustrations of priceless jewelry, plus practical information on: Fashioning and cutting Collecting, handling and storing Weighing and measuring gemstones Lapidary and jewelry-making Choosing a gemstone, including buying abroad Caring for and cleaning gemstones and jewelry Spotting a fake Retail outlets and museums around the world. With its detailed descriptions, abundant illustrations and commentary on current developments, Gems of the World is an ideal reference for collectors, rock hounds and investors., A comprehensive, up-to-date and beautifully illustrated reference. This new book is a practical, comprehensive guide to the identification and use of precious and semi-precious gems, novelty stones, agates and crystals. Presenting the latest information on the gemstone industry, with an extensive section on ethical mining, conflict diamonds, and the emergence of new diamond centers, Gems of the World is a completely up-to-date reference for gemologists, rock hounds and general readers. Cally Oldershaw clearly explains the geology, chemistry and properties, and key aspects of gemstones. The main section of the book includes descriptions of a wide range of gems, each profiled with a color photograph showing its raw crystal, common cuts, and polished state for use in jewelry. At-a-glance charts identify refractive index, crystal group, luster, hardness and cleavage for each gem. The book also features illustrations of priceless jewelry, plus practical information on: Fashioning and cutting Collecting, handling and storing Weighing and measuring gemstones Lapidary and jewelry-making Choosing a gemstone, including buying abroad Caring for and cleaning gemstones and jewelry Spotting a fake Retail outlets and museums around the world. With its detailed descriptions, abundant illustrations and commentary on current developments, Gems of the World is an ideal reference for collectors, rock hounds and investors.