Author : Renée Newman
Publisher :
Page : 0 pages
File Size : 18,10 MB
Release : 2012
Category : Precious stones
ISBN : 9780929975467
This guide provides concise, interesting and practical details on uncommon gems that are now being used by designers to create distinctive jewelry. It also lists the identification properties of the gems, where they are found, how they are used, why they are unique, how they are priced, and how to care for them.
Author : Lance Grande
Publisher : University of Chicago Press
Page : 387 pages
File Size : 15,46 MB
Release : 2009-11-15
Category : Design
ISBN : 0226305112
"Gems and Gemstones" features nearly 300 color images of cut gems, precious and semiprecious stones, gem-quality mineral specimens, and fine jewelry to be unveiled in the new Grainger Hall of Gems at the Field Museum in Chicago.
Author : David P. Turner
Publisher : John Wiley & Sons
Page : 292 pages
File Size : 47,79 MB
Release : 2022-01-25
Category : Science
ISBN : 111929987X
Understanding gemstones in a geological context Gemstones are colorful treasures of the Earth that have captivated humans for thousands of years. The physical and chemical characteristics of each type of gem provide insights into the geological processes that created them. Geology and Mineralogy of Gemstones is a textbook aimed at upper-level undergraduate and graduate students. It presents the basic mineralogical and geological knowledge needed to understand gemstones and examines the characteristics and geological origins of different types of gemstone. Volume highlights include: Concepts in mineralogy Structure and chemical composition of minerals Geological processes that lead to the formation and movement of gemstones Equipment and tools used to examine gemstones and their physical properties The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.
Author : P.C. Keller
Publisher : Springer Science & Business Media
Page : 315 pages
File Size : 23,88 MB
Release : 2012-12-06
Category : Science
ISBN : 1468466747
Each gem deposit-whether of primary origin in the parent rocks; or secondary as alluvial placers in valley floors, river gravels, or the sand of oceanic shelves presents an eloquent chronicle of the Earth's life story. It reveals to the expert the prodigious processes which formed the present crust of our planet, of which this volume discloses a small but exciting detail. The materials of the Earth's crust are the rocks. In this book, the author expounds on how they were formed, why they altered, why they became the cradles of precious gemstones, how they are categorized, and how they are now exploited by man. What initiates the growth of gemstones? How do they crystallize? Why do gemstones of the same species, originating from different sources, vary? What causes the occurrence of varieties? Why do diamonds, unlike other precious stones, occur not near the Earth's surface in its crust, but deep down beneath it in the upper mantle? These are only a few of the entrancing subjects discussed in this enlightening volume. The reader learns that the Earth is surprisingly alive and altering constantly-sometimes through slow and equable changes and at times by violent and tremendous cataclysms, events from which gemstones issue.
Author : Walter Schumann
Publisher : Sterling Publishing Company, Inc.
Page : 334 pages
File Size : 47,54 MB
Release : 2006
Category : Nature
ISBN : 9781402740169
Gemstones of the World is truly the single volume that every hobbyist, jeweler, jewelry maker, and rockhound needs: it’s the cornerstone of the field. And this updated edition contains a host of new findings on "Gemstones for Collectors,” additional gems in the "Table of Constants,” and the "double fraction” figures that experts have long wanted--a very special new feature. All the gemstones are treated in their many variations: more than 1,500 full-color photos showcase each precious and semiprecious stone in both its rough, natural, and its polished and cut renditions. Each entry offers complete information on the gemstone’s formation, structure, physical properties, and characteristics, along with the best methods of working, cutting, and polishing it. There are even full treatments of lesser-known gems, from andalusite to vesuvian, and a special section is devoted to rocks as precious stones, including alabaster, onyx, obsidian, and fossils. Organic gem materials are also covered, such as coral, ivory, amber, and pearl. Charts and tables help collectors identify unknown gemstones and check for genuineness.
Author : Michael O'Donoghue
Publisher : Springer Science & Business Media
Page : 395 pages
File Size : 22,69 MB
Release : 2012-12-06
Category : Science
ISBN : 9400911912
Gemstones is the first attempt in English to bring together the geological, mineralogical and gemmological developments that have taken place during the last thirty years. Though there have been many gemstone books published in that time, most have been concerned, understandably and rightly, with the science of gem testing and have covered that area very well. Details of the geological occurrence of many of the classic gemstones, and of nearly all those which have only recently been discovered, have been less adequately dealt with. Coverage has been restricted to a number of papers in a wide variety of geological and mineralogical journals. Gemstones hopes to get the balance right. In the preparation of the book all the journals and monographs in the field have been consulted so that the book should stand for some years as the authority to which gemmologists and others turn in the first instance. Ease of reference and depth of coverage make Gemstones both a reference book and a bench book. Acknow ledgements I am grateful to Brian Jackson of the Department of Geology, Royal Museums of Scotland who read the manuscript and painstakingly indicated places where amendment or alteration was needed. I am also grateful to the publishers of the books on which the line illustrations are based. The colour plates present in the book derive from a number of sources, which I would like to acknowledge as follows. Plates 1, 4-15 and 17 Crown copyright reserved.
Author : Gordon Austin
Publisher :
Page : 52 pages
File Size : 27,33 MB
Release : 1995
Category : Mines and mineral resources
ISBN :
Author : Karen Hurrell
Publisher : Chartwell Books
Page : 322 pages
File Size : 35,9 MB
Release : 2016-12-15
Category : Design
ISBN : 0785834982
This fascinating work provides a truly stunning visual guide to the beautiful world of gemstones. It brings together a wealth of information in clearly worded text accompanied by a dazzling collection of color photographs showing gems in their natural and cut states. From subjects as diverse as identifying and collecting minerals and advanced testing, to ethical sourcing of gems, every aspect of gemstones is covered, and is presented with a wealth of research in easy-to-understand sections, making it a must-have reference work for anyone who wants to delve into the exciting world of gems.
Author : DK
Publisher : Penguin
Page : 442 pages
File Size : 36,94 MB
Release : 2023-03-07
Category : Antiques & Collectibles
ISBN : 0744084873
Prepare to be dazzled by this shining and sumptuous visual guide to the world's greatest treasures. Feast your eyes on glittering gemstones, kaleidoscopic minerals, and famous trinkets in this comprehensive exploration of Earth's finest jewels. Following a foreword from Aja Raden, hundreds of pages take a lavish look at precious stones, precious metals, and organic gems in all their natural wonder. From agate to zoisite, everything under the Sun is encapsulated in spectacular photography and accessible text. Trace the history of gemmology and get the inside story on our planet's most famous and fabulous gems, including the mysterious Hope Diamond, the stunning Koh-i-Noor of the Crown Jewels, and exquisite Fabergé eggs. Find out their physical properties, check the price tags, and discover the most remarkable record-breakers. This exceptionally extravagant book is a picture-packed, fact-filled celebration guaranteed to bring sparkle to your life and your library.
Author : Antoinette Matlins, PG, FGA
Publisher : Turner Publishing Company
Page : 214 pages
File Size : 49,58 MB
Release : 2012-11-07
Category : Antiques & Collectibles
ISBN : 094376386X
Newly updated and expanded, COLORED GEMSTONES gives you all the information you need to buy, collect, sell— or simply enjoy—sapphires, emeralds, rubies and other colored gemstones with confidence and knowledge. With more varieties than ever before to choose from, including altogether new gems, revolutionary new cuts and new ways to buy gems—such as Internet auctions and TV shopping—there has never been a more exciting time to buy or collect colored gemstones. But there are also new high-tech treatments and sophisticated frauds to look out for. Lack of information, error or misrepresentation can make the thrill of buying a gem or piece of jewelry confusing, intimidating, overwhelming and costly. Buyers need a source of expert guidance. This practical, comprehensive, easy-to-understand guide provides all the information you need in order to know what to look for, and what to look out for, including: What qualifies as a “gemstone”? How to evaluate color—and its impact on price. Deciding between a natural gem and an enhanced gem ... and new glass-gemstone compositions. Colored gemstone synthesis and treatment. What to ask when buying the stone. What to get in writing. How to get what you want within your budget. Price guides for popular gems, opals and synthetic stones. Important information about buying on the Internet. ... and much more! Written by an “insider,” this easy-to-read guide is the “unofficial colored gemstone bible” for anyone who wants to get the most for their moneyand enjoy what they have purchased.
