This category is for information about gemstones and their properties. Gemstones are generally regarded as: Polished fragments of 'precious' and 'semi-precious' minerals, used for decorative purposes. Examples of Precious Stones: Diamonds / Sapphires / Rubies / Emeralds Examples of Semi-Precious Stones: Topaz / Garnet / Spinels. Examples of Other stones used as gems: Jade / Agate / Opal
Subcategories 1
Related categories 4
Sites 15
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- Bluechart A gem identification chart.
- Gemstone Forecaster Newsletters Analyzes Burma ruby and sapphire gems and collector gemstone markets.
- NOVA Gemstone primer with photos and vital information regarding gemstones.
- 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.
- Secrets of the Gem Trade A new gem book by R. W. Wise.
- GeoNord Gem and mineral site from Sweden.
- Gemology Tools Software for the professional gemologist or gemology student/enthusiast.
- National Gemstone Introduction to collecting and investing in gemstones and colored diamonds, with descriptions of the types most widely traded.
- Florida Gold Coast & Mineral Society Gold and Mineral Society in Florida.
- The Amber Ranch Dominican rough blue amber for jewellers and collectors.
- The Gemhunter A guide to finding gemstones and gold using geological principles. Many such discoveries have been made by Dan Hausel of Arizona, who set up this site.
- Gems and Gem Materials An on-line gem and jewelry course at UC Berkeley.
- Smithsonian Gem & Mineral Collection Pictures and short descriptions of gems and minerals on display at the Smithsonian.
- Gemstones and Collector Stones A collection of images and other information about gemstones, collector stones and the minerals with which they are associated.