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GeoNord
Gem and mineral site from Sweden.
Gems and Precious Stones
An on-line gem and jewelry course at UC Berkeley.
Gemstone Forecaster Newsletters
Analyzes Burma ruby and sapphire gems and collector gemstone markets.
Dan Dennis
Author of "Gems: A Lively Guide for the Casual Collector."
Fossicking Australia
Opal broker selling gems and offering mining trips.
Gem Hut
Hundreds of descriptions for gems, minerals, and rare metals. Pictures, hardness, and composition.
University of Texas Gem Class
Gem and Mineral class at the University of Texas, Austin.
The Image
Mineral and gemstone galleries. Physical properties and historical facts for minerals and gemstones.
Fluorescent Minerals under Ultraviolet Light
Descriptions and pictures of different gems and minerals under UV lights.
Gemology Tools
Software for the professional gemologist or gemology student/enthusiast. Contains a gemstone database, gemstone separator and a photomicrograph inclusion gallery.
More Gemstone Sites
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