| Document Type
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BL
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| Record Number
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1017466
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| Doc. No
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b771836
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| Title & Author
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Gems : : their sources, descriptions and identification.
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| Edition Statement
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6th ed. // edited by Michael O'Donaghue.
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| Publication Statement
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Oxford :: Butterworth-Heinemann,, 2006.
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| Page. NO
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xxix, 873 pages, 32 unnumbered pages of plates :: illustrations (some color) ;; 24 cm
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| ISBN
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0750658568
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: 9780750658560
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| Notes
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Previous edition: 1994.
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| Bibliographies/Indexes
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Includes index bibliographical references and index.
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| Contents
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The geological sources of gems -- Crystalline gem materials -- Diamond I -- Diamond II -- Ruby and sapphire -- Beryl -- Chrysoberyl -- Spinel -- Topaz -- Tourmaline -- The garnets -- Feldspar group -- Zircon -- Peridot -- Spodumene -- Quartz -- Opal -- Turquoise -- Lapis lazuli -- Jade : geology and mineralogy -- The natural glasses -- Marble -- Less common species -- Synthetic gemstones -- Composite gemstones -- Gemstone simulants -- Plastics -- Pearls -- The biological gem materials -- The fashioning of gemstones -- Value-enhanced gemstones and gem materials.
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| Abstract
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"Gems offers a descriptive account of all gem materials used as ornament, along with their synthetic counterparts and the materials used over the centuries to imitate them. This information is particularly relevant at a time when synthetic diamonds are circulating."--Jacket.
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| Subject
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Gems.
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| Subject
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Precious stones.
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| Subject
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Pierres précieuses.
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| Subject
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Gems.
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| Subject
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Precious stones.
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| Dewey Classification
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553.8
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| LC Classification
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QE392.W37 2006
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| Added Entry
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O'Donoghue, Michael.
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