Product Description

Purchasing coloured gemstones can be a magical experience, filled with excitement and anticipation. But lack of information, error, or misrepresentation can make buying gemstones confusing, intimidating, overwhelming, and costly. 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. To help you avoid the pitfalls and keep the magic, Antoinette Matlins, an internationally respected expert on buying gems, puts her insider knowledge to work for you in this easy-to-read, easy-to-use guide. Practical, comprehensive, and easy to understand, the guide offers in depth 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; coloured 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; And much, much more!

Product Details

• Amazon Sales Rank: #145400 in Books
• Published on: 2005-02
• Original language: English
• Number of items: 1
• Binding: Paperback
• 224 pages

Features

• ISBN13: 9780943763453
• Condition: NEW
• Notes: Brand New from Publisher. No Remainder Mark.
• Click here to view our Condition Guide and Shipping Prices

About the Author
Antoinette L Matlins PG, is an internationally respected gem and jewellery expert, author, lecturer and popular media guest. Her books are widely used throughout the world by consumers and professionals in the gem and jewellery field alike. Antonio C Bonanno FGA ASA MGA, was one of America's most distinguished gemologists. For over 40 years, he was President of the National Gem Appraising Laboratory, and Director of the Columbia School of Gemology in Silver Spring, Maryland.

Customer Reviews

Detailed Discussion of Enhancements, Color and Cut Make This Guide Exceptional.
"Colored Gemstones" is a beginners' guide to gemstones that aims to help consumers understand what types of gems are available, what to look for in determining value, and how to go about doing that. This book does not oversimplify the subject as some guides for beginners do. Author and gemologist Antoinette Matlins gives readers some preliminary guidance on how to familiarize yourself with a gemstone using a loupe and how to determine if it is well-cut. Then it is on to Part 2, which constitutes the bulk of the book and is a fount of essential and fascinating information.

First, the "4 C's" of color, clarity, cut, and carat, with particular emphasis on color and cut and how they relate to one another. Sample laboratory reports on gems are provided, so we see what a lab report can tell the consumer. The chapter on synthetic gems and enhancement treatments is particularly informative. The author describes common treatments and provides a very useful chart of treatments by gemstone. The chart lists treatments for 34 gem groups and indicates which treatments are typically used, seldom used, whether they are stable, and whether the treated gemstones require any special care, including which should avoid ultrasonic cleaners. Information on color enhancement spans several chapters.

A chapter on fraud and misrepresentation lists which gemstone treatments are acceptable practice and which are dishonest, with descriptions of the treatments, and a list of deceptive names often used to mislead customers. So we will know what our options are, the author lists gems by color, provides a list of gems not routinely enhanced for those who prefer natural stones, and a table of how much treated vs a natural stones differ in price. There is a detailed price guide for 21 groups of (faceted) gems, indicating what you may expect to pay for good to extra fine quality stones, wearability, and availability. Opal and synthetic price guides are separate. One chapter is dedicated to descriptions of about 40 gems, with data on hardness, chemical composition, wearability, and brilliance for each. Ms. Matlins concludes with specific advice on what to ask and look for when buying stones, what facts to make sure appear on your receipt, and tips for cleaning and caring for gems.

Having read Renee Newman's Gemstone Buying Guide, I find that Ms. Matlins' "Colored Gemstones" is more complete. This is primarily because the coverage of enhancements, synthetics, and price are more extensive in this book. Its discussions of how cut affects color are also better. That said, the "Gemstone Buying Guide" treats star and cat's eye stones more thoroughly and has a slight advantage in coverage of opal and jade. It provides more vital statistics, including refractive index, cleavage, and specific gravity. "Colored Gemstones" biggest shortcoming is the scarcity of photographs. There is a 16-page insert of color photos, but most of the gems discussed are not pictured. The "Gemstone Buying Guide" has far more photos, but if you have to choose one book, I think you'll be happier with "Colored Gemstones" unless your interest is in cat's eye or star gems.

A 'must' reference, especially for consumers just starting out in gem collecting or investing
The second updated, expanded edition of COLORED GEMSTONES: THE ANTOINETTE MATLINS BUYING GUIDE is on the market and it's not to be missed for any avid gem collector. Here are all the basic keys to gems; from initial assessment of the factors which lend value to descriptive names, misnomers, facts on hardness and wearability and more. A 'must' reference, especially for consumers just starting out in gem collecting or investing.

Diane C. Donovan
California Bookwatch

Great Information, Very Helpful
I'm a novice at gemstones, but I found this book easy to read. It had all the information I needed to shop for gems! I'm sure people with more experience would also find this helpful.