For further research and reading on Rocks and Minerals, please check out the following links:
http://www.brainpopjr.com/science/land/rocksandminerals/preview.weml
http://regentsprep.org/regents/earthsci/units/rocks/rocks.cfm
http://www.rocksforkids.com/RFK/identification.html
http://www.sciencespot.net/Pages/kdzethsci3.html
http://www.sciencekids.co.nz/sciencefacts/earth/rocksandminerals.html
http://www.rocksandminerals.org/