Top » Science » Earth_Sciences » Geology » Rocks_and_Minerals » Gemstone

Deprecated: Function eregi_replace() is deprecated in /home/chroot/home/sports/htdocs/index.php on line 128

Deprecated: Function ereg_replace() is deprecated in /home/chroot/home/sports/htdocs/index.php on line 129

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

Shopping@	Gemstones
Mineral Exploration and Extraction	Minerals
Shopping	NewsGroup (Usenet)

• Bluechart A gem identification chart for $18.
• Caribbean Gemological Institute Caribbean jewelers organization includes jewelry, shopping and travel tips..
• Dan Dennis Author of "Gems: A Lively Guide for the Casual Collector."
• Florida Gold Coast & Mineral Society Gold and Mineral Society in Florida.
• Fluorescent Minerals under Ultraviolet Light Descriptions and pictures of different gems and minerals under UV lights.
• FTC FTC Guides for jewelry and precious metals.
• 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.
• 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.
• GeoNord Gem and mineral site from Sweden.
• National Gemstone Introduction to collecting and investing in gemstones and colored diamonds, with descriptions of the types most widely traded.
• NOVA Gemstone primer with photos and vital information regarding gemstones.
• Photomicrography by Erik Carlson Photomicrography of diamonds and other gemstones.
• Secret Jewelry Collection A Japanese collector's site of jewelry, minerals and gemstones.
• Secrets of the Gem Trade. The Connoisseur's Guide To Precious Gemstones. A new gem book by by R. W. Wise.
• Smithsonian Gem & Mineral Collection Pictures and short descriptions of gems and minerals found at the Smithsonian.
• The Image Mineral and gemstone galleries. Physical properties and historical facts for minerals and gemstones.
• University of Texas Gem Class Gem and Mineral class at the University of Texas, Austin.

 

 

Copyright ©2000-2012 SPORT FR (80.37ms)

Apportez votre contribution à l'annuaire le plus complet du Web (avec évaluateurs « humains » !). Proposer un site - Open Directory Project - Devenir évaluateur de site