Gemmology

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Gemmology

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Author : Peter G. Read
language : en
Publisher: Butterworth-Heinemann
Release Date : 2005

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 2005 with Design categories.

This edition has been completely revised to cover the latest methods of gem enhancement and identification, as well as the most up-to-date test instruments and laboratory techniques.

Gemmology

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Author : P. G. Read
language : en
Publisher: Elsevier
Release Date : 2013-10-22

Gemmology written by P. 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 2013-10-22 with Nature categories.

Gemmology is a text for students preparing for the Gemmological Association's Preliminary and Diploma examinations. The book is more expansive and up-to-date than the author's earlier book, Beginner's Guide to Gemmology. The book deals with the practical and theoretical sides of gemmology. Tracing the background and science of gemmology, the book covers the gem material, geological formation, and occurrence of gemstones on the earth. The composition of gemstones from the atoms, elements, molecules, and compounds comprising them is analyzed, and the relationship between chemical composition and durability of the stone is explained. The basics of crystallography is mentioned as a tool toward understanding gemmology after which cleavage, parting, and fracture are done. A gemstone's durability and hardness and how the latter influences engineering tests and the mining techniques are compared. An important test technique to identify unmounted stones is the measure of specific gravity using displacement measurement methods and hydrostatic methods. After more descriptive details are given in identification of gemstones, whether these are synthetic or simulants, through a comprehensive explanation of the materials found in these other gemstones, the fashioning, through shaping or polishing, of gemstones is explained. Emphasis is given on the critical angle in which light rays pass in different rock densities, and then the cutting styles, gemstone polishing, and grading are discussed. Students studying for the Gemmological Association's Preliminary and Diploma examinations, jewelers, lapidarists, and diamond cutters, as well as those engaged in the hobby of gemmology, will find this book helpful and full of information toward their endeavors and hobbies.

Beginner S Guide To Gemmology

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Author : Peter G Read
language : en
Publisher: Elsevier
Release Date : 2013-10-22

Beginner S Guide To Gemmology 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 2013-10-22 with Nature categories.

Beginner's Guide to Gemmology presents the profiles of the principal gem materials. This book discusses the interesting characteristics of gemstones as the growing consumer market jewelry resulted in increased sales of gem testing instruments. Organized into 12 chapters, this book begins with an overview of the development of the science of gemmology. This text then explains the fundamental qualities necessary in a gem, including color, hardness, specific gravity, crystallography, refractive index, pleochroism, critical angle, luminescence, and absorption spectra. Other chapters consider the organic gem materials, including amber, ivory, coral, tortoiseshell, jet, ebony, and pearl. This book discusses as well the various methods used in the production of man-made gemstones and the commercial use in gem testing. The final chapter deals with the composition of synthetic gemstones. This book is a valuable resource for gemmologists and jewelers. Students who intend to become a qualified gemologist will also find this book extremely useful.

Gems And Gemmology

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Author : Stefanos Karampelas
language : en
Publisher: Springer Nature
Release Date : 2020-03-10

Gems And Gemmology written by Stefanos Karampelas and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-10 with Social Science categories.

This book provides a lucid introduction to the basics of gemmology. It familiarizes archaeologists, art historians and conservators with the science of gemstones and allows them to understand the basic concepts of their provenance, typology and treatments. Which are the main types of gems? What treatments can be applied? How does one analyse gems? How can gems contribute to archaeometrical research? This volume is written by four experts in the fields of gemmology and archaeometry and addresses both students who need an introduction to this field and professionals who want to refresh their knowledge of the topic. This work is part of a series of introductory texts that deal with a broad range of materials-related topics in archaeometry.

Practical Gemmology A Study Of The Identification Of Gem Stones Pearls And Ornamental Minerals

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Author : Robert Webster
language : en
Publisher: Read Books Ltd
Release Date : 2013-04-18

Practical Gemmology A Study Of The Identification Of Gem Stones Pearls And Ornamental Minerals written by Robert Webster 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 2013-04-18 with Nature categories.

This vintage book contains an interesting and practical study of the identification of gemstones, pearls, and ornamental minerals. A comprehensive and profusely-illustrated handbook for both novice and experienced practitioners, this volume is not to be missed by anyone with a keen interest in the subject. The chapters of this book include: “Crystallography”, “Physical Properties”, “Specific Gravity”, “Light”, “Measurement of Refractive Index”, “Colour in Gem Distinction”, “The Microscope”, “The Gem Species”, “Synthetic Gems”, “Imitation Gems”, “Composite Stones and Artificially Induced Colour”, etcetera. This book is being republished now in an affordable, modern, high quality edition - complete with a specially commissioned new introduction on gemmology.

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 : 1982

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 1982 with Design categories.

Handbook Of Raman Spectroscopy

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Author : Ian R. Lewis
language : en
Publisher: CRC Press
Release Date : 2001-08-08

Handbook Of Raman Spectroscopy written by Ian R. Lewis and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-08-08 with Science categories.

This work covers principles of Raman theory, analysis, instrumentation, and measurement, specifying up-to-the-minute benefits of Raman spectroscopy in a variety of industrial and academic fields, and how to cultivate growth in new disciplines. It contains case studies that illustrate current techniques in data extraction and analysis, as well as over 500 drawings and photographs that clarify and reinforce critical text material. The authors discuss Raman spectra of gases; Raman spectroscopy applied to crystals, applications to gemology, in vivo Raman spectroscopy, applications in forensic science, and collectivity of vibrational modes, among many other topics.

The Journal Of Gemmology

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Author :
language : en
Publisher:
Release Date : 2002

The Journal Of Gemmology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Precious stones categories.

Vols. for July 1964 include Proceedings of the Gemmological Association of Great Britain.

Practical Gemmology

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Author : Robert Webster
language : en
Publisher:
Release Date : 1952

Practical Gemmology written by Robert Webster and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1952 with Precious stones categories.