| State or Region | Name | Purpose | Member Count |
| WA | Washington State Mineral Council |
| 1,500 |
| Northwest | Friends of Mineralogy, NW Chapter |
| 273 |
| Northwest | Northwest Federation of Mineral Societies
| 70 Clubs - | 4,400 |
| CA | California Federation of Mineralogical Societies
| 150 Clubs - |
|
| AR, AZ, CO, KS, NE, NM, ND, OK, SD, TX , UT, WY | Rocky Mountain Federation of Mineralogical Societies | 87 Clubs - |
|
| SE | Southeast Federation of Mineralogical Societies
| 80 Clubs - |
|
| East | Eastern Federation of Mineralogical and Lapidary Societies
| 150 Clubs - | 10,000 |
 | | The Gem Cutters Guild of Baltimore, Inc., (a Founding memberclub of EFMLS) is a non-profit organization, was established in order to allow its members to gain knowledge and skills in gem cutting and in identifying and evaluating lapidary materials. Through field trips, exhibitions, and cooperation with other societies, we endeavor to further our own knowledge and that of the general public.
Our meetings are held the first Tuesday of each month at 7:30 PM, except in January, July and August, at our workshop which is located at Meadow Mill at Woodberry, 3600 Clipper Mill Road, Suite 116 Baltimore MD 21211
Born 1950. | 500 |
| | Logo used with permission - Wayne Homens | Rock, gem and mineral club, EFMLS and AFMS Member club.
Meetings 2nd Friday of month. Annual Show Memorial Day Saturday. Born 1961. | 200 |
| |  Logo used with permission - Wayne Homens
| Founding member of:
The International Federation of Micromount Societies
Member of:
The Eastern Federation of Mineralogical and Lapidary Societies
The American Federation of Mineralogical Societies
The Baltimore Mineral Society, Inc., is a non-profit organization. It was organized in 1951 to promote interest in mineral/fossil collecting, micromounting, mineralogy, and related forms of the earth sciences. The society promotes good fellowship among the area clubs and greater appreciation for nature’s wonders. | 250 |
| All Fifty States | | Over 67000 members nation wide
http://www.amfed.org/ |
|
|  Logo used with permission - Wayne Homens |
Rockhounder's club to exchange excess minerals, gems, specimens, rockhounding yarns and field trips. |
60 |
| All Fifty States | Friends of Mineralogy
| Dedicated to the advancement of serious interest in minerals and related activities. Operates on a National Level and also through Regional Chapters. |
|
| Michigan | Detectorists In Recovery of Treasure - DIRT | Metal Detecting Club in Midland Michigan
m.r.kowalczyk@dowcorning.com | N/A |
| South Central | South Central Federation of Mineralogical Societies
Logo used by permission from Al Pennington of SCFMS. | To promote popular interest and education in the various earth sciences, in particular those hobbies dealing with the art of lapidaries and the science of minerals, fossils, as well as their associated fields. | 3000 |
| | Logo used with permission - Wendell Mohr | Organized in 1963, The Gem, Lapidary, and Mineral Society of Montgomery County Md., Inc. is now Incorporated as a 501-C-3 non-profit educational organization. Our purpose is to increase knowledge and popular interest in earth sciences, geology, mineralogy, paleontology (fossils), lapidary arts, and related subjects. Members represent a broad cross section of adults, juniors and families with all levels of expertise. Sharing this common interest, they enjoy the fun of collecting, studying, identifying, displaying, cutting, polishing, faceting, and sharing. An EFMLS Member. |
|
| | | The Patuxent Lapidary Guild (PLG) was established in 1959 to promote the art of making jewelry using precious metals and gemstones. The Guild provides classes in four major disciplines of the lapidary field: Cabochon cutting, silver smithing, lost wax casting, and faceting. An EFMLS member. |
|
| | | Established in 1982, the Southern Maryland Rock and Mineral Club promotes the interest, enjoyment, and appreciation of rocks, minerals, fossils, and the lapidary arts. We are sponsored by the Maryland National-Capital Park and Planning Commission, Clearwater Nature Center. An EFMLS member. | 60 |
| Northwest |  | Part of the Northwest Mycological Society, with members in WA, OR, ID, MT, BC & AK | 1200 |
| Totals: | Thanks to all who provided info for the chart! |
|
|
Rock & Gem Club membership, N. America
Non-rock oriented treasure hunting (precious metals, mushrooms, beachcombing, etc.) organizations, membership, N. America |
|
| 250,000
140,000 |
| Fee dig admissions, N. America 2008 |
|
| 600,000 |
| Note: | Fee dig admission numbers provided by individual sites and Chambers of Commerce. | Total number of treasure hunters is estimated to be 2 to 3 times the number that we can count, as many do not belong to organizations or participate in fee digs. | 990,000 ... very close to one million! |
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