Physical Science Textbook http://www.gohrw.com
Geology Diagrams http://www.gly.uga.edu/railsback/GeologicalDiagrams1.html
Geology in a Nutshell http://geology.about.com/od/nutshells/index_r.htm
Mineral Systems http://www.minsocam.org/MSA/K12/crystals/xlsystems.html
Great Pics of Rocks and Mins http://www.rocksandminerals4u.com/index.html
My Master's Degree Final Project for MSU http://www2.msstate.edu/~sln84/index.html