Links
Mary van der Aa
Born with a burning desire to revolutionize the world of jewelry, Mary van der Aa is on a mission to save us from the ordinary. With an unwavering passion for jewelry as an art form, Mary envisions a world where pieces transcend traditional boundaries, embracing the abstract and the modern.
Gemological Institute of America
The world's foremost authority in gems and gemology.
Gemology Online
One of the industry's leading online gemology forums.
Gemology Project
Non-profit gemstone and gem science wiki-style database.
Mindat
Online mineralogy forum and database.
Gem-A
The gemmological association of Great Britain.
American Gem Trade Association
The latest and greatest in spectacular, rare gemstones.
United States Faceters Guild
Tons of info for aspiring crystal machinists.