- Smithsonian Mineral Science Collections
Learn about minerals and their worldwide occurrence from the Smithsonian Museum of Natural History. http://www.nmnh.si.edu/minsci/rock_ore.htm (Added: Mon Feb 17 2003)
- The Asbestos Institute
Discover the truth about asbestos - from people who know it best! http://www.asbestos-institute.ca/main.html (Added: Mon Feb 17 2003)
- The Image
Fantastic collection of photographs of minerals and gemstones. http://www.theimage.com (Added: Mon Feb 17 2003)
- The Image
http://www.theimage.com/ (Added: Thu Apr 20 2006)
- The Mineral and Gemstone Kingdom
The Mineral and Gemstone Kingdom is a free, interactive, educational guide to minerals and gemstones. http://www.minerals.net/ (Added: Mon Feb 17 2003)
- U.S. Naval Research Laboratory
The U.S. Naval Research Laboratory has put many crystal structures online. http://cst-www.nrl.navy.mil/lattice (Added: Mon Feb 17 2003)
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