Smithsonian Gem & Mineral Collection
Pictures and short descriptions of gems and minerals found at the Smithsonian.
Gems and Precious Stones
An on-line gem and jewelry course at UC Berkeley.
Secrets of the Gem Trade. The Connoisseur's Guide To Precious Gemstones.
A new gem book by by R. W. Wise.
Florida Gold Coast & Mineral Society
Gold and Mineral Society in Florida.
The Amber Ranch
Dominican rough blue amber for jewellers and collectors.
Caribbean Gemological Institute
Caribbean jewelers organization includes jewelry, shopping and travel tips..
Dan Dennis
Author of "Gems: A Lively Guide for the Casual Collector."
FTC
FTC Guides for jewelry and precious metals.
Bluechart
A gem identification chart for $18.
Gem Hut
Hundreds of descriptions for gems, minerals, and rare metals. Pictures, hardness, and composition.
Gemology Tools
Software for the professional gemologist or gemology student/enthusiast.
Photomicrography by Erik Carlson
Photomicrography of diamonds and other gemstones.
University of Texas Gem Class
Gem and Mineral class at the University of Texas, Austin.
Secret Jewelry Collection
A Japanese collector's site of jewelry, minerals and gemstones.
GeoNord
Gem and mineral site from Sweden.
NOVA
Gemstone primer with photos and vital information regarding gemstones.
Gemstone Forecaster Newsletters
Analyzes Burma ruby and sapphire gems and collector gemstone markets.
National Gemstone
Introduction to collecting and investing in gemstones and colored diamonds, with descriptions of the types most widely traded.
The Image
Mineral and gemstone galleries. Physical properties and historical facts for minerals and gemstones.
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