Color Encyclopedia of Gemstones


Book Description




Color Encyclopedia of Gemstones


Book Description

Provides information on all known gemstone species and varieties, discussing physical properties, occurrence, chemistry, availability, rarity, and market potential, and includes complete data on synthetic gems




Gemstones


Book Description

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.




The Encyclopedia of Crystals, New Edition


Book Description

The Encyclopedia of Crystals is organized by colour for easy reference, and the comprehensive index makes finding and identifying crystals effortless. Each entry provides a detailed description of the crystal's source, benefits and associations. In addition, you'll also learn fascinating facts about their properties and origins. If you work with crystals or you simply love everything mysterious and magical about them, then The Encyclopedia of Crystals is an essential addition to your library.




Determinative Gemology


Book Description




The Encyclopedia of Gemstones and Minerals


Book Description

Shows and describes the characteristics of over two hundred gems and minerals




Colored Gemstones


Book Description

This book gives you all the information you need to buy, collect, sell or simply enjoy sapphires, emeralds, rubies and other coloured 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 coloured 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 jewellery 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 colour -- and its impact on price; Deciding between a natural gem and an enhanced gem . . . and new glass-gemstone compositions; Coloured gemstone synthesis and treatment; 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; What to ask when buying the stone . . . and much more! Written by an "insider", this easy-to-read guide is the "unofficial coloured gemstone bible" for anyone who wants to get the most for their money and enjoy what they have purchased.




The Encyclopedia of Rocks, Minerals, and Gemstones


Book Description

A look at 294 different rocks, minerals, and gemstones. Each entry describes where the material is found, what it is made of, and how it is used.




Gemology


Book Description

A concise, systematic, yet comprehensive ``textbook'' treatment of the science. Examines origin, chemistry, crystallography, physical properties, and optical properties of gemstones, and discusses methods and instruments used to determine these properties. Highlights recent advances and important contributions; explores new methods of study and determination, crystal structures, causes of color, new gem minerals, new methods of gem synthesis, manufactured gems, chemical compounds used as substitutes, and imitations and simulations. Includes 12 full color plates, 350 halftones and line drawings, and a Gem Index that lists commonly sought characteristics along with page number references.




Encyclopedia of Minerals


Book Description

Contents: Preface; About the Photography; Introduction; Alphabetical Listing of Minerals. Completely revised and updated, this includes nearly 4,000 entries. Glossary. 48 pages of color, 45 line drawings, 104 halftones.