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9780750658522

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'a particularly timely and very welcome addition to antiques literature...you could not want a more comprehensive or more clearly written guide to organic materials. Although comprehensively illustrated in color, the success of a book like this relies above all on an ability to write with authority in an accessible, non-technical way. Maggie Campbell Pedersen is to be applauded for producing a volume of genuine use to dealers, collectors and museum curators.' Antiques & Collectables, June 2004 'This is a very interesting book which draws together a vast amount of information which would otherwise require delving into many sources from a wide range of disciplines... For the antique dealer, jeweler and gemologist this book would be a most useful addition to their bookshelves' Journal of Gemology, January 2004 'This is a fascinating book, which comprehensively covers the range of natural materials suggested by its title. If you are interested in these materials - buy it!' - PHS Newsletter, February 2004 'An ideal reference book, 'Gem and Ornamental Materials of Organic Origin' is a unique source of information on this neglected topic of gemology' Rock 'N' Gem, Spring 2004 .provides a richly illustrated and well-researched source of information on a neglected topic of gemology: materials of biological origin. .it is significant that the testing and identification of the subject materials is included in each topical chapter. The library value of this book is aided by reference charts, a glossary, a bibliography, and an adequate index. ***Recommended*** - CHOICE Library Journal This new book is the most comprehensive, in-depth, and scientific examination of these materials to date. Overall, the book is very well organized. The book is well illustrated by the author, who is a professional photographer . gemologists and jewelry historians should find this book informative and useful. - Gems & Gemology, The Quarterly Journal of the Gemological Institute of America A highly useful reference book, this is a unique source of information on a neglected topic of gemology. Two hundred color images are included for ease of reference and identification, allowing you to identify this material by sight, avoiding the usual gemological tests, which ruin them. - The Bead Forum, Newsletter of the Society of Bead Researchers What an information laden reference book this is for gemologists, appraisers and collectors! While reading this book, I was impressed with the vast amount of information the author has gathered about each natural gem material. There is a chapter dedicated to each organic material such as amber, jet, ivory, bone, antler, horn, tortoiseshell, pearls, shells, corals, baleen, byssus, calabash, coconut, feathers, hair, insect wings and other lesser known items. She writes of the scientific examination of these items, the historical importance of these same items with references to the artistic and sometimes medicinal use of them. I have not found a reference book that has more data on this subject. It is clearly written and illustrated with beautiful photographs. I found this book to be well organized, educational and valuable. I also enjoyed the non-technical way the identification and testing of these items is described. There are reference charts that aid in the separation of organic materials from simulants. Since the book contains such a vast amount of information, it is a mandatory item for every gemologist appraiser's reference library. - National Association of Jewelry Appraisers magazine

Author Information

Over thirty years' experience in photography, specialising for the past twenty years in gemstone and jewellery photography. Eight years' work in gemmological research, specialising in gem materials of plant and animal origin, and teaching/lecturing adult groups on this subject. Published articles for trade or association publications, eg 'Gem and Jewellry News'.

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