http://en.wikipedia.org/wiki/Mineral

http://edtech.kennesaw.edu/web/rocks.html

http://www.rocksandminerals.org/

http://www.rockhounds.com/rockshop/books/minerals.shtml

http://www.rocksforkids.com/RFK/identification.html

http://www.uky.edu/KGS/rocksmn/index.htm

http://www.rocksforkids.com/RFK/howrocks.html

http://www.kidskonnect.com/content/view/97/27

http://geology.utah.gov/utahgeo/rockmineral/index.htm

http://www.minerals.net/mineral/index.htm