The Effective Use of Gemmological Instruments PDF Download
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Author: Trevor Linton
Publisher:
ISBN: 9780646037523
Category : Precious stones
Languages : en
Pages : 144
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Book Description
Author: Trevor Linton
Publisher:
ISBN: 9780646037523
Category : Precious stones
Languages : en
Pages : 144
Get Book Here
Book Description
Author: Trevor Linton
Publisher:
ISBN: 9780646341262
Category : Precious stones
Languages : en
Pages : 85
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Book Description
Author: Peter G Read
Publisher: Elsevier
ISBN: 1483192261
Category : Science
Languages : en
Pages : 341
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Book Description
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: Roger Dedeyne
Publisher: Gemstone Identification
ISBN: 9078768010
Category : Precious stones
Languages : en
Pages : 311
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Book Description
Author: W. William Hanneman
Publisher:
ISBN: 9780966906301
Category : Mineralogy
Languages : en
Pages : 172
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Book Description
Author: Richard W. Hughes
Publisher:
ISBN: 9780964509719
Category :
Languages : en
Pages : 816
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Book Description
From the dawn of time, ruby and sapphire have both attracted and fascinated humans in ways that few other items could.While objects of desire are found throughout the natural world, physical beauty is too often ephemeral. From the allure of a man, woman, flower or butterfly, through the fleeting moments of a sunset, there is little that lasts and practically nothing that can be passed down to our descendants. The exception is precious stones. Not only are they the most durable creations of mother nature, but their visual splendor is truly eternal.In this companion to his 2013 book, Ruby & Sapphire--A Collector's Guide, Richard Hughes examines these gems from the gemological standpoint, delving into these gems not just from the aesthetic, but also from the scientific point of view.The product of nearly 40 years of firsthand experience, it covers every aspect of the subject from A-Z. History, sources, prices, quality analysis, synthetics and treatments, everything is here. Ruby & Sapphire--A Gemologist's Guide represents the most comprehensive book ever written on a single precious stone. With over 1000 photos, maps and illustrations and 3500 references, it is nothing less than a tour-de-force of gemological scholarship.
Author:
Publisher:
ISBN:
Category : Precious stones
Languages : en
Pages : 552
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Book Description
Vols. for July 1964 include Proceedings of the Gemmological Association of Great Britain.
Author: Robert Webster
Publisher: Sterling Publishing (NY)
ISBN: 9780806930787
Category : Nature
Languages : en
Pages : 142
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Book Description
Author: Peter G. Read
Publisher: Butterworth-Heinemann
ISBN: 0750664495
Category : Design
Languages : en
Pages : 341
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Book Description
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: Basil William Anderson
Publisher: NAG Press
ISBN:
Category : Crafts & Hobbies
Languages : en
Pages : 280
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Book Description
Until 1933, the refractometer and the microscope were the two principal tools in gem testing. Then, B W Anderson introduced the hand spectroscope which quickly became the third vital instrument for the UK gemmologist. This book talks about the importance of this instrument. It is suitable for those involved in the identification of gemstones.
