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Author : Robert Webster
Publisher :
ISBN 13 : 9780719800016
Total Pages : 235 pages
Book Rating : 4.8/5 ( download)
Download or read book The Gemmologists' Compendium written by Robert Webster and published by . This book was released on 1970 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Webster
Publisher : Van Nostrand Reinhold Company
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.:/5 (45 download)
Download or read book Gemmologists' Compendium written by Robert Webster and published by Van Nostrand Reinhold Company. This book was released on 1980 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. Webster
Publisher :
ISBN 13 :
Total Pages : 235 pages
Book Rating : 4.:/5 (934 download)
Download or read book The Gemmologists' Compendium written by R. Webster and published by . This book was released on 1975 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Webster
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (318 download)
Download or read book The Gemmologists' Compendium written by Robert Webster and published by . This book was released on 1947 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download The Gemmologists' Compendium, Etc. [With Diagrams and a Map.]. PDF Online Free](https://books.google.com/books/content/images/frontcover/MjAazgEACAAJ?fife=w200-h370)
Author : Robert Webster (F.G.A.)
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (122 download)
Download or read book The Gemmologists' Compendium, Etc. [With Diagrams and a Map.]. written by Robert Webster (F.G.A.) and published by . This book was released on 1964 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 926 pages
Book Rating : 4.:/5 (518 download)
Download or read book סוגיות בהלכות דפנות סוכה וסכך written by and published by . This book was released on 1999 with total page 926 pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download The Gemmologists' Compendium. Third Edition. [With Plates.]. PDF Online Free](https://books.google.com/books/content/images/frontcover/n6AFMwEACAAJ?fife=w200-h370)
Author : Robert Webster
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (54 download)
Download or read book The Gemmologists' Compendium. Third Edition. [With Plates.]. written by Robert Webster and published by . This book was released on 1964 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Webster
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (844 download)
Download or read book The gemmologists' compendium (2nd ed.), with a foreword by L.J.Spencer written by Robert Webster and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Webster
Publisher :
ISBN 13 :
Total Pages : 199 pages
Book Rating : 4.:/5 (315 download)
Download or read book The Gemmologist's Pocket Compendium written by Robert Webster and published by . This book was released on 1937 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 235 pages
Book Rating : 4.:/5 (911 download)
Download or read book The Gemmologist Compendium written by and published by . This book was released on 1970 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Webster
Publisher :
ISBN 13 :
Total Pages : 143 pages
Book Rating : 4.:/5 (191 download)
Download or read book The Gemmologist's Pocket Compendium, &c written by Robert Webster and published by . This book was released on 1937 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Webster
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (54 download)
Download or read book The Gemmologist's Pocket Compendium, Etc written by Robert Webster and published by . This book was released on 1937 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 888 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Gemmologist written by and published by . This book was released on 1956 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter G Read
Publisher : Elsevier
ISBN 13 : 1483192261
Total Pages : 341 pages
Book Rating : 4.4/5 (831 download)
Download or read book Gemmological Instruments written by Peter G Read and published by Elsevier. This book was released on 2013-09-24 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : P. G. Read
Publisher : Elsevier
ISBN 13 : 1483144674
Total Pages : 375 pages
Book Rating : 4.4/5 (831 download)
Download or read book Gemmology written by P. G. Read and published by Elsevier. This book was released on 2013-10-22 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Peter G. Read
Publisher : Butterworth-Heinemann
ISBN 13 : 0750664495
Total Pages : 341 pages
Book Rating : 4.7/5 (56 download)
Download or read book Gemmology written by Peter G. Read and published by Butterworth-Heinemann. This book was released on 2005 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Peter G Read
Publisher : Elsevier
ISBN 13 : 1483183122
Total Pages : 241 pages
Book Rating : 4.4/5 (831 download)
Download or read book Beginner's Guide to Gemmology written by Peter G Read and published by Elsevier. This book was released on 2013-10-22 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
