Download or read book Practical Gemmology A Study of the Identification of Gem Stones Pearls and Ornamental Minerals written by Robert Webster and published by Read Books Ltd. This book was released on 2013-04-18 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Practical Gemmology written by Robert Webster and published by Robert Hale. This book was released on 1993-11 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Practical Gemmology has for decades been recognized as the standard work for those learning how to identify gems and ornamental minerals. It is recommended by educational authorities as a course textbook, and it is also particularly suitable as a self-instructor for those entering or hoping to advance in the jewellery and gem trades, or for the keen amateur. The 21 sections comprise notes on the formation of gem materials, and a section on luminescence and electrical effects bring a more modern approach to this part of the subject. More information is given on the inclusions seen in gemstones, and the newer synthetic stones are discussed. The methods used in cutting gemstones and details of more of the unusual gemstones now cut and polished are also discussed.

Download or read book Practical Gemmology written by DeeDee Cunningham and published by Robert Hale. This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Practical Gemmology written by Robert Webster and published by . This book was released on 1966 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Practical Gemmology written by Robert Webster and published by . This book was released on 1952 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Practical Gemmology written by Robert Webster (Gemologist) and published by . This book was released on 1992 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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.

Download or read book Gemmology written by Peter Read and published by Routledge. This book was released on 2012-10-02 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition 'Gemmology' has been expanded and updated throughout by the well known writer and editor of Butterworth-Heinemann's gemmology series, Peter Read. This is a much needed update of a classic text and new syllabus information and sample examination theory papers for the Gemmological Association's Preliminary and Diploma courses are included. The additions also incorporate more recent developments, such as the introduction of synthetic moissanite and the De Beer's instruments for distinguishing between natural and synthetic diamonds. 'Gemmology' still serves as a useful reference guide for gemmologists detailing the latest natural and synthetic gem materials and is an invaluable text for anyone in the gemmological profession.

Download or read book Practical Gemmology written by Robert F.G.A. Webster and published by . This book was released on 1943 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Guide to Affordable Gemology written by W. William Hanneman and published by . This book was released on 1998-12-01 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Practical Gemmology written by R. Webster and published by . This book was released on 1984 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Gems and Gemmology written by Stefanos Karampelas and published by Springer Nature. This book was released on 2020-03-10 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

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.

Download or read book Practical Gemmology written by Robert Webster and published by . This book was released on 1961 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dictionary of Gems and Gemology written by Mohsen Manutchehr-Danai and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 575 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Basic Information Sources on Jewelry Retailing written by Lelia Easson and published by . This book was released on 1955 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Gem Identification Made Easy 4th Edition written by Antoinette Matlins and published by Turner Publishing Company. This book was released on 2012-12-14 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: one person can accomplish big things.