Everything you have ever wanted to know about rocks and minerals, including pictures and quizzes. There is even a teacher's corner.
http://www.rocksforkids.com/
http://www.geolab.unc.edu/Petunia/IgMetAtlas/mainmenu.html
http://www.sdnhm.org/kids/minerals/
http://dnr.state.il.us/lands/education/kids/KIDSCONS/Fall2000/rockminfos.htm

What kinds of rocks and minerals are found in Colorado.
http://geosurvey.state.co.us/Default.aspx?tabid=442
http://www.peaktopeak.com/colorado/index.php3
http://www.buenavistagemworks.com/tourmaline/tourmaline.htm
http://www.minclassics.com/minerals.html#Colorado_Minerals
http://geosurvey.state.co.us/Default.aspx?tabid=290
http://www.geocities.com/earthhistory/grand.htm
http://www.hence-forth.com/Colorado_Hiking/1_Hiking_topics/Geologic_time_events.htm
http://www.jewelrymall.com/states/CO.html

This site is presented by the United States Geological Survey, it has good information and links to other rock sites. It also has access to Ask-a-Geologist.
http://walrus.wr.usgs.gov/ask-a-geologist/

Tour different museums to see their exhibits.
http://www.virtualfreesites.com/museums.museums.html

US State gems, minerals, rocks and stones.
http://www.jewelrymall.com/stategems.html

September 2008