Минералогические общества

Mineralogical Society of America

Society of Mineral Museum Professionals

American Crystallographic Association

Mineralogical Society of Southern California

Searchers Gem & Mineral Society

Fallbrook Gem & Mineral Club

California Federation of Mineralogical Societies

American Federation of Mineralogical Societies

Gemfields.com - the meeting place for Gemseekers, Tourists, and Miners alike, lots of stories, pictures and information about the CQ Gemfields and Sapphires

Русское Географическое Общество - общие сведения

Екатеринбургский Клуб любителей камня.