minerals

Geo-Mysteries with Rex the Dino Detective! - The Children's Museum of Indianapolis http://www.childrensmuseum.org/geomysteries/index2.html

Mineralogy 4 Kids--Mineralogical Society of America http://www.minsocam.org/MSA/K12/K_12.html

A Wonderful World Of Minerals http://library.thinkquest.org/J002744/adlm.html

Mineralogy Database http://webmineral.com/