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The Handbook of Gemmology

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Product Description

We are thrilled to announce that in addition to the new 4th Edition that is available as a digital download, a stunning two volume 5th Anniversary printed edition was released on May 15th, 2018. Certainly, over the years, the most asked question has been 'When will we offer a printed version?' This project was started because of my frustration with the fact that a number of very important gemmological textbooks were being allowed to go out of print or remain seriously out of date. In an industry that is as fluid as ours, it is absurd to be referencing out-dated material. Going 'digital' made sense because it allowed us to continually update and expand the contents while maintaining our promise to be the most up to date gemmological reference book on the market. The plan was always to produce 'Anniversary' printed editions every five years; essentially giving all our customers the best of both worlds. Of course the book has grown substantially since the 1st edition and now boasts 1342 pages (688 more than the 1st edition). This has necessitated publishing the 5th anniversary edition in two volumes. So what has changed? Digitally The most radical change we have made to the digital edition is to make it available to view online. Now you have the option of downloading the 'device specific' files so that you have a free-standing e-book or you can simply log in and view it on the internet without taking up valuable space on your hard drive. We want to provide you with more viewing options and make this publication more user-friendly. Since the book has more than doubled in size since the 1st edition, this is an important consideration and with more and more people having access to high-speed internet, it seemed a logical progression. Content Content wise, this edition features a brand new layout that gives the book a completely different look and feel. All the information has been updated, hundreds of new photographs have been added, there is a new section on gem mining in Africa and Myanmar, new pricing comparisons for all the major gemstones and a whole new approach to identifying gemstones. Covering all aspects of the science of gemmology and gem identification, the new edition features the photography of internationally renowned gemstone/mineral photographers Tino Hammid & Jeff Scovil plus some wonderful imagery by Conny Forsberg, John Dyer, David Dyer, Lydia Dyer, Priscilla Dyer, Ozzie Campos, Dmitry Stolyarevich, Arjuna Irsutti and Sergey Pryanechnikov. Photographically, The Handbook of Gemmology now contains 1428 photographs with 191 diagrams and illustrations. A Wealth of Information Both versions (digital and printed) include a comprehensive look at the science of gemmology, including the chemical nature of gemstones, their physical and optical properties, basic crystallography, the absorption of light, the spectroscope, polarized light, the polariscope, pleochroism, the dichroscope, colour filters, specific gravity, luminescence, magnification, thermal conductivity, imitation, assembled and lab-created gemstones, enhancements, mining, gem cutting, coloured gemstone and diamond grading. There are also twelve chapters covering the identification of gemstones based on their colour and transparency with a new focus on the importance of determining the optical character of a gemstone and advanced gem testing techniques. Seventeen of the most common gem species and varieties found in the market are also covered under the section GEMFACTS while the section 'Reflections' includes 134 pages of photographs that capture the true beauty and talent of award winning gem cutter John Dyer. What are people saying about the Handbook of Gemmology? Suzann wrote 'This is the greatest book on gemology I have ever seen. It has it all. Don’t need any of my other books. It is a truly beautiful book'. Check out the many reviews by students and professionals by clicking here If you are serious about gems and gemmology, you simply have to have this book in your gemmological reference library!