Mineral Identification

http://www.mindat.org

http://www.webmineral.com

http://www.handbookofmineralogy.com

http://athena.unige.ch/athena/mineral/mineral.html

General Information:

Please note the links below are provided as a courtesy to  further the rock collecting hobby and are not sources from certifiable mineralogical organizations

Home Hobbies: Rock Collecting - HomeAdvisor

Hardness of Metals Chart