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Identification of Gemstones

Geology GuideOut of Print

By: M O'Donoghue and L Joyner

313 pages, Col photos, tabs

Butterworth-Heinemann

Paperback | Dec 2002 | #135271 | ISBN: 0750655127
Out of Print Details

About this book

A comprehensive reference guide to gem and ornamental materials, this book deals with each gem species, outlining all the features a gem tester has to know before making an identification. The experienced author team describe not only each natural gem species, but also their synthetic counterparts, and the materials used as imitations, demonstrating how to avoid potentially costly mistakes. End of chapter summaries, details of further reading, and the companion web site combine to provide all the support needed by professional gemmologists, antique and gemstone dealers, jewellers and students. It helps you learn how to put the theory of identification into practice with this accessible guide. It contains 60 full colour photographs to illustrate identifying features. The chapter summaries and companion website support provide easy understanding and reference.

'Michael O'Donoghue and Louise Joyner are to be congratulated on authoring this innovative identification manual for gemstones, gem materials, their synthetics and their imitations. Purchase of this manual of gem identification is recommended to all students of gemmology. Practical gemmology will be well served by this publication.' The Australian Gemmologist 'the authors have produced a work of reference that is packed with a mass of determinative information... use of both the contents page and the index will quickly reveal a wealth of material to aid specific identification problems'. Journal of Gemmology 2003


Contents

Preface; Acknowledgements; Gem testing; Diamond; Ruby and Sapphire; Emerald, Aquamarine and the Beryl Group; Opal; Quartz; The Jade minerals; Chrysoberyl; Topaz; Tourmaline; The Garnet group; Spinel; Peridot; Zircon; Moonstone; Rhodochrosite,Tanzanite and Rhodonite; Turquoise; Lapis Lazuli; Pearl; Amber; Ivory; Jet; Coral; Shell; Glass; Metals and ceramics; Plastics; Composite gems; Less common gemstones; Rarely fashioned species; Gemstones in their rough state; How crystals are grown; Synthetic crystals for the collector; Locality Information; Glossary; The literature of gemstone identification; Index

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Biography

Michael O'Donoghue is a Director of the Gemmological Association and Gem Testing Laboratory of Great Britain, and Lecturer in Gemmology at London Metropolitan University. He was Curator of Earth Sciences at The British Library until 1991 and has visited gem-bearing locations in many parts of the world on behalf of governments and international bodies. He has written more than 20 books and edited a number of journals in the field of mineralogy, geological information and gemstones. Louise Joyner has a background in geology and is a Fellow of the Geological Society. She has worked in Archaeological science at the Fitch Laboratory, British School, at Athens, Greece, the Department of Archaeology and Prehistory, University of Sheffield, and is currently at the Department of Scientific Research, the British Museum, London, UK. A Fellow of the Gemmological Association of Great Britain, she has a Diploma in Gemmology and was awarded the Anderson-Bank prize is 2000. Her research interests include gemmology, lithics, ancient pigments, ceramics, plasters and mudbricks.