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Opis

This scarce text constitutes a comprehensive handbook for practising gemmologists, timeless in its informative value and the perfect compendium for anyone interested in the subject. Gemmology is the science of natural and artificial gems and gemstones, and this book deals primarily with the methodology and techniques used in the classification thereof. Chapters contained within this fascinating text include: Colour, Colour Filter, Composite Stones, Diamond Size Gauge, Dispersion, Forms used in Fashioning, Hardness, Manufactured Gems, Specific Gravity, and many more. This text is prefaced with a detailed forward by L. J. Spencer, who was President of the Mineralogical Society, editor of "Mineralogical Magazine", Keeper of Minerals in the British Museum of Natural History, and honorary Life Fellow of the Mineralogical Society of America. The Gemmologist's Pocket Compendium was originally published in 1937 and is proudly republished here with a new prefatory introduction of the topic.

Szczegóły książki

• Pełny tytuł: The Gemmologist's Pocket Compendium
• Autor: Robert Webster
• Język: Angielski
• Oprawa: Miękka
• Liczba stron: 164
• EAN: 9781446527924
• ISBN: 1446527921
• ID: 12150973
• Wydawca: Harrison Press
• Waga: 217 g
• Wymiary: 216 × 140 × 9 mm
• Data wydania: 10. January 2011

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