Friends of Minerals Forum

 http://www.mineral-forum.com/message-board/index.php



Handbook of Mineralogy

http://www.handbookofmineralogy.org/search.html?p=all

 Free online digital Micromineral

eZine

https://crocoite.com/index

IMA Database of Mineral Properties

(Created and Maintained by the RUFF Project in Partnership with the IMA)

http://rruff.info/ima/

 

Mindat

http://www.mindat.org/



Webmineral

http://webmineral.com/

Free-Gemology Courses

http://beyond4cs.com/free-gemology-courses-and-resources/