Firefly Guide to Gems

Front Cover
Firefly Books, 2003 - Crafts & Hobbies - 224 pages
6 Reviews

A reference guide to gems, semi-precious stones and crystals.

Gemstones and crystals are used for jewelry, industry, lasers and precision technology. Firefly Guide to Gems is a practical, compact guide to the identification and use of precious and semi-precious stones, novelty stones, agates and crystals.

An introduction explains geology, chemistry and gemstone properties in clear and accessible terms. Key aspects of gemstones are explained such as crystal structures and optical and physical properties.

The first section of the book focuses on precious gems in their many forms, with illustrations of priceless jewelry. Practical information includes:

  • Fashioning and cutting
  • Types and shapes of cut
  • Collecting
  • Handling and storing gemstones
  • Weighing and measuring stones

The second and main section supplies complete descriptions of a wide range of gems, organized by chemical composition, for instance:

  • Carbon (diamond)
  • Aluminum oxide (saphire and ruby)
  • Phosphate (turquoise)
  • Silica (opal)

A fascinating profile of each gem is accompanied with color photographs of the raw crystal, common cuts, and finally polished for use in jewelry. At-a-glance charts provide technical details such as refractive index, crystal group, luster, hardness and cleavage for each gem.

Easy-to-read and abundantly illustrated, Firefly Guide to Gems is ideal for collectors and rockhounds.

 

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LibraryThing Review

User Review  - billsearth - LibraryThing

This book stretches the term "gems" to include pearls carved shells, and various other carvings, even metal artwork. That takes it out of the gem reference world and puts it on the coffee table pile ... Read full review

Wonderful reference

User Review  - theginster - Overstock.com

This is a great reference book clear and precise in descriptions. I refer to it a lot. Read full review

Contents

Foreword
4
Color key
38
Classification
45
Maps of gem locations
211
Glossary
220
Copyright

Common terms and phrases

About the author (2003)

Cally Oldershaw is a mineralogist and Liaison Officer for the Geological Society of London as well as an examiner for the Gemmological Association of Great Britain.

Bibliographic information