general guide to minerals

http://www.minerals.net/MineralMain.aspx
http://www.theimage.com/mineral/

the following videos might help you identify minerals
http://www.youtube.com/watch?v=VnM8ebB06MU
http://www.youtube.com/watch?v=Bk4nO2KPSL0&feature=related
http://www.youtube.com/watch?v=q_QLpweixjY&feature=related