Gemmologia
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Gemmological Instruments
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Author : Peter G Read
language : en
Publisher: Elsevier
Release Date : 2013-09-24
Gemmological Instruments written by Peter G Read and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-24 with Science categories.
Gemmological Instruments deals with the developments in diamond grading equipment and gem testing instruments since the publication of the first edition in 1978. These developments include improvements in the versatility and styling of existing instruments such as the reflectivity meter, the composite spectroscope, and the refractometer. It also addresses the criticisms in the first edition and provides a discussion of the advantages and disadvantages of different gem testing equipment. This book is organized into 16 chapters that describe groundbreaking instruments like the thermal conductivity diamond testers and home-constructed items that while innovative have not yet been commercialized. There are also chapters dealing with microphotography and identification of synthetics and stimulants. This book also provides a listing of gemstone constants and characteristic inclusions in natural and synthetic gemstones. This book will be of interest to people interested in equipment for gem testing and diamond grading.
Dictionary Of Gemmology
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Author : Peter G. Read
language : en
Publisher: Butterworth-Heinemann
Release Date : 1988
Dictionary Of Gemmology written by Peter G. Read and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Design categories.
Popular Gemology
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Author : Richard M. Pearl
language : en
Publisher: Read Books Ltd
Release Date : 2016-09-06
Popular Gemology written by Richard M. Pearl and has been published by Read Books Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-06 with Antiques & Collectibles categories.
Popular Gemmology constitutes a definitive guide on many aspects of gemmology, covering a wide range of natural and manufactured gems, their taxonomy, and the methods in which they are machined. The perfect book for both the amateur and professional, this text presents in an accessible manner for the general reader accurate knowledge of the world of gems, designed for the gem-lover, mineral collector, jeweller, and the lapidary. The sections of this book are divided according to the major style of cutting most appropriate for each gem, with chapters including: The Lure of Gems, Recognising Gems, Faceted Gems, Cabochen and Carved Gems, Gems of the Silica Group, Gems and Genealogy, Man-made Gems, and Luminescent Gems. This scarce book has been elected for modern republication because of its educational value, and is proudly republished here complete with its original illustrations and a new introduction to the subject.
Gemmologia
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Author : Speranza Cavenago-Bignami Moneta
language : it
Publisher:
Release Date : 1980
Gemmologia written by Speranza Cavenago-Bignami Moneta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
Dictionary Of Gems And Gemology
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Author : Mohsen Manutchehr-Danai
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Dictionary Of Gems And Gemology written by Mohsen Manutchehr-Danai and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.
The rapid growth of gemological sciences and mineralogy demands a dictionary such as this for gemologists, mineralogists, geologists, jewel dealers, industry and hobbyists. With some 16,000 comprehensive definitions, supplemented by more than 250 diagrams and figures, this is a one-stop reference to any matter dealing with gems and gemology.
Gemmologists Compendium
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Author : Robert Webster
language : en
Publisher: Antique Collectors Club Limited
Release Date : 1979
Gemmologists Compendium written by Robert Webster and has been published by Antique Collectors Club Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Antiques & Collectibles categories.
The first part of the book is a comprehensive glossary of gemstones and the terms used in connection with them. The second part contains tables of essential information for gem identification. There are also sections on such useful topics as cuts for gemstones, synthetic and manufactured gems, test for precious metals and conversion formulae.
The Gemmologist S Pocket Compendium
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Author : Robert Webster
language : en
Publisher: Harrison Press
Release Date : 2011-01
The Gemmologist S Pocket Compendium written by Robert Webster and has been published by Harrison Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-01 with Antiques & Collectibles categories.
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."
Gemstones And Their Origins
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Author : P.C. Keller
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Gemstones And Their Origins written by P.C. Keller and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Each gem deposit-whether of primary origin in the parent rocks; or secondary as alluvial placers in valley floors, river gravels, or the sand of oceanic shelves presents an eloquent chronicle of the Earth's life story. It reveals to the expert the prodigious processes which formed the present crust of our planet, of which this volume discloses a small but exciting detail. The materials of the Earth's crust are the rocks. In this book, the author expounds on how they were formed, why they altered, why they became the cradles of precious gemstones, how they are categorized, and how they are now exploited by man. What initiates the growth of gemstones? How do they crystallize? Why do gemstones of the same species, originating from different sources, vary? What causes the occurrence of varieties? Why do diamonds, unlike other precious stones, occur not near the Earth's surface in its crust, but deep down beneath it in the upper mantle? These are only a few of the entrancing subjects discussed in this enlightening volume. The reader learns that the Earth is surprisingly alive and altering constantly-sometimes through slow and equable changes and at times by violent and tremendous cataclysms, events from which gemstones issue.
Dictionary Of Gems And Gemology
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Author : Robert M. Shipley
language : en
Publisher: Read Books Ltd
Release Date : 2011-03-23
Dictionary Of Gems And Gemology written by Robert M. Shipley and has been published by Read Books Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-03-23 with Science categories.
Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.
Practical Gemmology
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Author : DeeDee Cunningham
language : en
Publisher: Robert Hale
Release Date : 2011
Practical Gemmology written by DeeDee Cunningham and has been published by Robert Hale this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Gems categories.
Although suitable for readers of all levels of understanding, 'Practical Gemmology' is specifically tailored to provide the information and diagrams necessary for the successful completion of diploma examinations and is an invaluable tool for gemmology students.