- California Federation of Mineralogical Societies - A federation of California (and a few in Arizona and Nevada) gem and mineral societies, with on-line monthly newsletters, links to member societies and current rockhound topics.
- Rocky Mountain Federation of Mineralogical Societies - Regional federation of amateur enthusiasts in gems, minerals, fossils and the lapidary arts covering Arizona, Arkansas, Colorado, Kansas, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas, Utah and Wyoming.
- Colorado Federationi of Gem and Mineral Societies - Official site of the Colorado Federation of Gem & Mineral Societies. Dedicated to Colorado's rockhounding, past, present, and future.
- American Federation of Mineralogical Societies - A non-profit educational Federation of seven similar regional organization of gem, mineral and lapidary societies. Founded in 1947.
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