Rockhounding Clubs in United States
Find a rockhounding club near you in United States. 631 gem and mineral societies across 51 states/regions. Most welcome new members at any skill level — meetings, field trips, lapidary workshops, and annual shows.
Browse by State
California (112)Washington (34)Arizona (33)Texas (28)Florida (26)Michigan (23)Colorado (22)Wisconsin (19)Illinois (18)New York (17)Pennsylvania (17)Ohio (16)Oregon (16)Idaho (14)Maryland (13)Missouri (13)Montana (11)Indiana (11)North Carolina (11)Wyoming (10)Minnesota (10)Virginia (9)Oklahoma (9)Georgia (9)Iowa (8)Nevada (8)Massachusetts (8)New Jersey (7)Alabama (7)Connecticut (7)Louisiana (7)South Carolina (7)Tennessee (7)Utah (6)New Mexico (6)Kansas (6)Kentucky (5)Arkansas (5)Mississippi (5)Maine (5)New Hampshire (5)Alaska (5)North Dakota (3)Nebraska (3)South Dakota (2)Vermont (2)West Virginia (2)Delaware (1)District Of Columbia (1)Hawaii (1)Rhode Island (1)
All Clubs
Alaska
- Anchorage Chapter — Anchorage[GPAA]
- Chugach Gem & Mineral Society — Anchorage[NFMS]
- Interior Alaska GPAA — Fairbanks[GPAA]
- Kenai AK Chapter — Kenai[GPAA]
- Mat-Su Rock and Mineral Club — Palmer[NFMS]
Alabama
- Alabama Mineral & Lapidary Society — Birmingham[SFMS]
- Dothan Gem & Mineral Society — Dothan[SFMS]
- East Alabama Gem and Mineral Society — Opelika[SFMS]
- Huntsville Gem and Mineral Society — Huntsville[SFMS]
- Mobile Rock and Gem Society — Mobile[SFMS]
- Montgomery Gem & Mineral Society — Montgomery[SFMS]
- North Alabama Chapter — Cragford[GPAA]
Arkansas
- Central Arkansas Gem, Mineral & Geology Society — Little Rock[SCFMS]
- Hot Springs Geology Club — Hot Springs[SCFMS]
- Northwest Arkansas Gem & Mineral Society — Siloam Springs[SCFMS]
- Ozark Earth Science Club — Mountain Home[SCFMS]
- Spring River Gem & Mineral Club — Hardy[SCFMS]
Arizona
- Apache Junction AZ GPAA Chapter — Apache Junction[GPAA]
- Apache Junction Rock & Gem Club — Apache Junction[RMFMS]
- Black Canyon City Rock Club — Black Canyon City[RMFMS]
- Coconino Lapidary Club — Flagstaff[RMFMS]
- Country Roads Gem and Mineral Club — Yuma[RMFMS]
- Daisy Mountain Rock & Mineral Club — Anthem[RMFMS]
- Flagg Mineral Foundation — Mesa[RMFMS]
- Flagstaff Gem & Mineral Society — Flagstaff[RMFMS]
- Gila County Gem & Mineral Society — Miami[RMFMS]
- Gold Fever of the West Valley — Sun City[GPAA]
- GPAA Phoenix — Phoenix[GPAA]
- GPAA Tucson (GPAT) — Tucson[GPAA]
- Huachuca Mineral & Gem Club — Sierra Vista[RMFMS]
- Lake Havasu Gem & Mineral Society — Lake Havasu City[RMFMS]
- Mineralogical Society of Arizona — Scottsdale[RMFMS]
- Mingus Gem & Mineral Club — Cottonwood[RMFMS]
- Mohave County Gemstoners — Kingman[RMFMS]
- Old Pueblo Lapidary Club — Tucson[RMFMS]
- Payson Rimstones Rock Club — Payson[RMFMS]
- Pinal Gem and Mineral Society — Coolidge[RMFMS]
- Prescott Gem & Mineral Club — Prescott Valley[RMFMS]
- Quartzsite Roadrunner Gem & Mineral Club — Quartzsite[RMFMS]
- Rockhounds West — Sun City West[RMFMS]
- Sedona Gem & Mineral Club — Sedona[RMFMS]
- Silvery Colorado River Rock Club — Bullhead City[RMFMS]
- Sun Lakes Rock Gem & Silver Club — Sun Lakes[RMFMS]
- Sunsites Gem & Mineral Club — Pearce[RMFMS]
- Tucson Gem and Mineral Society — Tucson[RMFMS]
- Verde River Rockhounds Inc — Cottonwood[RMFMS]
- West Valley Rock & Mineral Club — Buckeye[RMFMS]
- White Mountain Gem & Mineral Club — Show Low[RMFMS]
- Wickenburg Gem and Mineral Society — Wickenburg[RMFMS]
- Yuma Gem and Mineral Society — Yuma[RMFMS]
California
- Amador County Gem & Mineral Society — Sutter Creek[CFMS]
- American Opal Society — Anaheim[CFMS]
- Antelope Valley Gem and Mineral Club — Lancaster[CFMS]
- Antioch Lapidary Club — Antioch[CFMS]
- Au Mojave Prospectors — Hesperia[GPAA]
- Borrego Rock and Gem Club — Borrego Springs[CFMS]
- Calaveras Gem & Mineral Society — Angels Camp[CFMS]
- Carmel Valley Gem and Mineral Society — Pacific Grove[CFMS]
- Central Coast Gold Prospectors — Paso Robles[GPAA]
- Central Coast Treasure Hunters Association — Oceano[CFMS]
- Central Valley Prospectors — Fresno[GPAA]
- Coalinga Rockhound Society — Coalinga[CFMS]
- Conejo Gem & Mineral Club — Thousand Oaks[CFMS]
- Contra Costa Mineral & Gem Society — Clayton[CFMS]
- Culver City Rock & Mineral Club — Culver City[CFMS]
- Del-Air Rockhounds Club — Northridge[CFMS]
- Delta Gold Diggers — Stockton[GPAA]
- Delvers Gem & Mineral Society — Bellflower[CFMS]
- East Bay Lapidary and Mineral Club — Hayward[CFMS]
- El Cajon Valley Gem & Mineral Society — El Cajon[CFMS]
- El Dorado County Mineral and Gem Society — Placerville[CFMS]
- El Dorado Gold 1848 — Placerville[CFMS]
- Fallbrook Gem and Mineral Society Inc — Fallbrook[CFMS]
- Feather River Lapidary & Mineral Society — Oroville[CFMS]
- First Class Miners — Yucca Valley[CFMS]
- Fossils for Fun Society — Fair Oaks[CFMS]
- Fresno Gem & Mineral Society — Fresno[CFMS]
- Friends of Mineralogy - Southern California Chapter — Desert Hot Springs[CFMS]
- Glendora Gems Lapidary Club — Pomona[CFMS]
- Gold Country Treasure Seekers — Placerville[CFMS]
- Golden Valley Prospectors — Bakersfield[GPAA]
- Hemet Chapter — Hemet[GPAA]
- Hi-Desert Gold Diggers — Victorville[CFMS]
- Hi Desert Rockhounds — Yucca Valley[CFMS]
- Imperial Valley Gem & Mineral Society — Imperial[CFMS]
- Indian Wells Gem & Mineral Society — Ridgecrest[CFMS]
- Inland Empire Prospectors — Highland[GPAA]
- Kern County Mineral Society — Bakersfield[CFMS]
- Lake County Rockhounds — Lakeport[CFMS]
- Lake Elsinore Gem & Mineral Society — Lake Elsinore[CFMS]
- Lemoore Gem and Mineral Club — Lemoore[CFMS]
- Livermore Valley Lithophiles — Livermore[CFMS]
- Lodi Gem & Mineral Society — Lodi[CFMS]
- Lone Pine Gem & Mineral Society — Lone Pine[CFMS]
- Long Beach Mineral & Gem Society — Long Beach[CFMS]
- Mariposa Gem & Mineral Club — Mariposa[CFMS]
- Mendocino Coast Gem & Mineral Society — Fort Bragg[CFMS]
- Mineralogical Society of Southern California — Pasadena[CFMS]
- Mojave Desert Gem & Mineral Society — Hinkley[CFMS]
- Mojave Mineralogical Society — Boron[CFMS]
- Monrovia Rock Hounds — Monrovia[CFMS]
- Mother Lode Mineral Society — Modesto[CFMS]
- Needles Gem & Mineral Club — Needles[CFMS]
- Nevada County Gem & Mineral Society — Grass Valley[CFMS]
- Nor-Cal Gold Prospectors — Redding[GPAA]
- Northern California Geological Society — Orinda[CFMS]
- North Orange County Gem & Mineral Society — La Habra[CFMS]
- Orange Belt Mineralogical Society — San Bernardino[CFMS]
- Orcutt Mineral Society — Santa Maria[CFMS]
- Oxnard Gem & Mineral Society — Oxnard[CFMS]
- Palmdale Gem & Mineral Club — Palmdale[CFMS]
- Palomar Gem & Mineral Club — Escondido[CFMS]
- Palos Verdes Gem & Mineral Society — Rolling Hills Estates[CFMS]
- Paradise Gem & Mineral Club — Paradise[CFMS]
- Pasadena Lapidary Society — Pasadena[CFMS]
- Peninsula Gem & Geology Society Inc — Los Altos[CFMS]
- Porterville, CA — Porterville[GPAA]
- River City Prospectors — Sacramento[GPAA]
- Roseville Rock Rollers — Roseville[CFMS]
- Route 66 Gold Miners Inc — Brea[CFMS]
- Sacramento Mineral Society — Sacramento[CFMS]
- Sacramento Valley Detecting Buffs — Carmichael[CFMS]
- Salinas Valley Rock and Gem Club — Salinas[CFMS]
- San Diego Lapidary Society — San Diego[CFMS]
- San Diego Mineral & Gem Society — San Diego[CFMS]
- San Diego Treasure Seekers — San Diego[GPAA]
- San Francisco Gem and Mineral Society — San Francisco[CFMS]
- San Gorgonio Mineral & Gem Society — Cabazon[CFMS]
- San Joaquin Valley Lapidary Society — Bakersfield[CFMS]
- San Luis Obispo Gem & Mineral Club — San Luis Obispo[CFMS]
- Santa Ana Rock & Mineral Club — Fountain Valley[CFMS]
- Santa Clara Valley Gem & Mineral Society — Los Gatos[CFMS]
- Santa Cruz Mineral and Gem Society — Santa Cruz[CFMS]
- Santa Lucia Rockhounds — Templeton[CFMS]
- Santa Rosa Mineral and Gem Society Inc — Santa Rosa[CFMS]
- Scott Valley Gem & Mineral Society — Fort Jones[CFMS]
- Searchers Gem and Mineral Society — Anaheim[CFMS]
- Searles Lake Gem and Mineral Society — Trona[CFMS]
- Sequoia Gem and Mineral Society — Redwood City[CFMS]
- Shadow Mountain Gem & Mineral Society — Palm Springs[CFMS]
- Shasta Gem & Mineral Society — Redding[CFMS]
- Sierra Pelona Rock Club — Canyon Country[CFMS]
- South Bay Lapidary & Mineral Society — Torrance[CFMS]
- Southern California Paleontological Society — Los Angeles[CFMS]
- South Orange County Gem & Mineral Society — San Clemente[CFMS]
- Stockton Lapidary & Mineral Club — Stockton[CFMS]
- Tehachapi Valley Gem & Mineral Society — Tehachapi[CFMS]
- Temecula Valley Prospectors — Temecula[GPAA]
- Tule Gem and Mineral Society — Farmersville[CFMS]
- United States Gold Panning Association[CFMS]
- Vallejo Gem & Mineral Society — Vallejo[CFMS]
- Valley Prospectors — San Bernardino[CFMS]
- Ventura Gem & Mineral Society — Ventura[CFMS]
- Victor Valley Gem and Mineral Club — Victorville[CFMS]
- Vista Gem & Mineral Society — Vista[CFMS]
- West Coast Prospectors & Treasure Hunters Assoc — Garden Grove[CFMS]
- Westend Prospectors — Corona[CFMS]
- West End Prospectors Corporation — Corona[CFMS]
- Whittier Gem & Mineral Society — Whittier[CFMS]
- Willits Gem and Mineral Society — Willits[CFMS]
- Woodland Hills Rock Chippers Inc — West Hills[CFMS]
- Yucaipa Valley Gem & Mineral Society — Yucaipa[CFMS]
Colorado
- Canon City Geology Club — Canon City[RMFMS]
- Colorado Gold Camp — Leadville[RMFMS]
- Colorado Mineral Society — Lakewood[RMFMS]
- Colorado Prospector — Alamosa[RMFMS]
- Colorado Springs Mineralogical Society — Colorado Springs[RMFMS]
- Columbine Gem and Mineral Society — Salida[RMFMS]
- Denver Gem and Mineral Guild — Denver[RMFMS]
- Flatirons Mineral Club — Boulder[RMFMS]
- Fort Collins Rockhounds — Fort Collins[RMFMS]
- Four Corners Gem & Mineral Club — Durango[RMFMS]
- Four Corners Geological Society — Durango[RMFMS]
- Friends of Colorado School of Mines Geology Museum — Denver[RMFMS]
- Friends of Florissant Fossil Beds, INC. — Florissant[RMFMS]
- Friends of Mineralogy - Colorado Chapter — Golden[RMFMS]
- Grand Junction Gem & Mineral Club — Grand Junction[RMFMS]
- Lake George Gem & Mineral Club — Lake George[RMFMS]
- Littleton Gem and Mineral Club — Littleton[RMFMS]
- Mile Hi Rock and Mineral Society (RAMS) — Wheat Ridge[RMFMS]
- Pueblo Rockhounds — Pueblo[RMFMS]
- The Foothills Prospectors — Golden[GPAA]
- Western Colorado Chapter — Olathe[GPAA]
- Western Interior Paleontological Society — Denver[RMFMS]
Connecticut
- Bristol Gem & Mineral Club — Bristol[EFMLS]
- Danbury Mineralogical Society — Danbury[EFMLS]
- East Coast Gem & Mineral Society — Ansonia[EFMLS]
- Gem and Mineral Society of Greater Stamford — Stamford[EFMLS]
- Lapidary and Mineral Society of Central Connecticut — Meriden[EFMLS]
- New Haven Mineral Club — Hamden[EFMLS]
- Thames Valley Rockhounds, Inc. — Ledyard[EFMLS]
District Of Columbia
- Mineralogical Society of the District of Columbia, Inc. — Washington[EFMLS]
Delaware
- Delaware Mineralogical Society — Wilmington[EFMLS]
Florida
- Canaveral Mineral & Gem Society — Melbourne[SFMS]
- Central Brevard Rock and Gem Club — Merritt Island[SFMS]
- Central Florida Mineral and Gem Society — Orlando[SFMS]
- Diggers Florida Gold Scouts — Tampa[GPAA]
- Florida Fossil Hunters — Orlando[SFMS]
- Florida Gold Coast Gem & Mineral Society — Hollywood[SFMS]
- Fossil Club of Lee County — Ft. Myers[SFMS]
- Gainesville Gem & Mineral Society — Gainesville[SFMS]
- Gem and Mineral Society of the Palm Beaches — West Palm Beach[SFMS]
- Gulf Coast Mineral, Fossil, and Gem Club — Venice[SFMS]
- Imperial Bone Valley Gem, Mineral & Fossil Society — Mulberry[SFMS]
- Jacksonville Gem and Mineral Society — Jacksonville[SFMS]
- Miami Mineralogical and Lapidary Guild — Miami[SFMS]
- Orlando FL Chapter — Orlando[GPAA]
- Panama City Gem & Mineral Society — Panama City[SFMS]
- Playground Gem and Mineral Society — Ft. Walton Beach[SFMS]
- Southwest Florida Fossil Society — Punta Gorda[SFMS]
- St. Lucie County Rock and Gem Club — Port St. Lucie[SFMS]
- Suncoast Gem & Mineral Society — St. Petersburg[SFMS]
- Tampa Bay Fossil Club — Tampa[SFMS]
- Tampa Bay Mineral & Science Club — Tampa[SFMS]
- The Villages Gem and Mineral Society — The Villages[SFMS]
- Tomoka Faceters Guild — Daytona Beach[SFMS]
- Tomoka Gem and Mineral Society, Inc. — Holly Hill[SFMS]
- Wekiva Gem & Mineral Society — Apopka[SFMS]
- Withlacoochee Rockhounds — Spring Hill[SFMS]
Georgia
- Athens Rock and Gem Club — Athens[SFMS]
- Augusta GA Chapter — Augusta[GPAA]
- Augusta Gem and Mineral Society — Augusta[SFMS]
- Cobb County Gem & Mineral Society — Marietta[SFMS]
- Georgia Mineral Society Inc — Norcross[SFMS]
- Mid-Georgia Gem and Mineral Society — Macon[SFMS]
- Northeast Georgia Mineral Society — Clarkesville[SFMS]
- Northwest Georgia Chapter — Buchanan[GPAA]
- Rome Georgia Mineral Society Inc — Rome[SFMS]
Hawaii
- Hui Pohaku O Hawai'i Rock & Mineral Society — Honolulu[CFMS]
Iowa
- Black Hawk Gem & Mineral Society — Waterloo[MWF]
- Cedar Valley Rocks and Minerals Society — Cedar Rapids[MWF]
- Central Iowa Mineral Society — Des Moines[MWF]
- Des Moines Lapidary Society — Des Moines[MWF]
- Iowa Chapter Gold Prospectors' Association of America — West Des Moines[MWF]
- River Valley Rockhounds — Fort Dodge[MWF]
- Sac & Fox Lapidary Club — Fairfield[MWF]
- Worthen Earth Searchers — Davenport[MWF]
Idaho
- Caribou Chapter — Idaho Falls[GPAA]
- Eureka Rock & Gem Club — Mountain Home[NFMS]
- Gold Hill Diggers Gem & Mineral Club — Fernwood[NFMS]
- Hells Canyon Gem Club Inc — Lewiston[NFMS]
- High Desert Prospecting Club — Mountain Home[GPAA]
- Idaho Falls Gem & Mineral Society — Idaho Falls[NFMS]
- Idaho Gem Club Inc — Boise[NFMS]
- Magic Valley Gem Club — Twin Falls[NFMS]
- North Idaho Mineral Club — Hayden[NFMS]
- Northwest Gold Prospectors — Parma[GPAA]
- Owyhee Gem & Mineral Society — Caldwell[NFMS]
- Snake River Region — Twin Falls[GPAA]
- Southeast Idaho Gem and Mineral Society — Pocatello[NFMS]
- Thursday Night Pastry Tasters & Flint Knappers — Lewisville[NFMS]
Illinois
- Black Hawk Gem & Mineral Club — Rock Island[MWF]
- Chicago Rocks & Minerals Society — Skokie[MWF]
- Des Plaines Valley Geological Society — Des Plaines[MWF]
- Earth Science Club of Northern Illinois — Glen Ellyn[MWF]
- Edwards River Earth Science Club — Monmouth[MWF]
- Elgin Rock Club — Elgin[MWF]
- Fulton County Rockhounders — Canton[MWF]
- Gem City Rock Club — Quincy[MWF]
- Geodeland Earth Science Clubs Inc — Macomb[MWF]
- Lincoln Orbit Earth Science Society — Springfield[MWF]
- Midwest Faceters Guild — Darien[MWF]
- Northwest Illinois Rock Club — Freeport[MWF]
- Peoria Academy of Science - Geology Section — Peoria[MWF]
- Rock River Valley Gem & Mineral Society — Rockford[MWF]
- Southern Illinois Earth Science Club — Benton[MWF]
- South Suburban Earth Science Club — Peotone[MWF]
- West Central Illinois Rock & Mineral Club — Macomb[MWF]
- West Suburban Lapidary Club — Elmhurst[MWF]
Indiana
- 500 Earth Sciences Club — Indianapolis[MWF]
- Brown County Rock and Mineral Club — Nashville[MWF]
- Calumet Gem and Mineral Society — Hobart[MWF]
- Eastern Indiana Gem & Geological Society Inc — Richmond[MWF]
- Evansville Lapidary Society — Evansville[MWF]
- Gatesville Chapter — Gatesville[GPAA]
- Greensburg Chapter — Greensburg[GPAA]
- Indiana Society of Paleontology — Indianapolis[MWF]
- Lawrence County Rock Club Inc — Bedford[MWF]
- Michiana Gem & Mineral Society Inc — South Bend[MWF]
- Three Rivers Gem & Mineral Society — Fort Wayne[MWF]
Kansas
- McPherson Gem and Mineral Club — McPherson[RMFMS]
- Olathe Gem and Mineral Society — Kansas City[RMFMS]
- Topeka Gem & Mineral Society — Topeka[RMFMS]
- Wichita Chapter — Wichita[GPAA]
- Wichita Gem and Mineral Society — Wichita[RMFMS]
- Wichita Paleontological Society — Wichita[RMFMS]
Kentucky
- Blue Grass Gem & Mineral Club — Lexington[EFMLS]
- Geological Society of Kentucky — Morehead[EFMLS]
- Kentucky Paleontological Society — Lexington[EFMLS]
- KYANA Geological Society — Louisville[EFMLS]
- Southeast Kentucky Gem, Mineral and Fossil Club — Irvine[EFMLS]
Louisiana
- Ark-La-Tex Gem & Mineral Society — Shreveport[SCFMS]
- Baton Rouge Gem & Mineral Society — Baton Rouge[SCFMS]
- DeRidder Gem & Mineral Society — Leesville[SCFMS]
- Gem, Mineral & Lapidary Society of Central Louisiana — Alexandria[SCFMS]
- Gem & Mineral Society of Louisiana, Inc — New Orleans[SCFMS]
- Northeast Louisiana Gem & Mineral Society — West Monroe[SCFMS]
- Rollin' Rock Club — Leesville[SCFMS]
Massachusetts
- Boston Mineral Club Inc — Cambridge[EFMLS]
- Connecticut Valley Mineral Club — Springfield[EFMLS]
- Micromounters of New England — Chelmsford[EFMLS]
- Nashoba Valley Mineralogical Society — Littleton[EFMLS]
- Northern Berkshire Mineral Club — North Adams[EFMLS]
- North Shore Rock & Mineral Club — Burlington[EFMLS]
- Southeastern Massachusetts Mineral Club — Rockland[EFMLS]
- Worcester Mineral Club — Shrewsbury[EFMLS]
Maryland
- American Fossil Federation — Bowie[EFMLS]
- Baltimore Mineral Society — Baltimore[EFMLS]
- Calvert Marine Museum Fossil Club — Solomons[EFMLS]
- Central Maryland Rock and Mineral Collectors Exchange — Elkridge[EFMLS]
- Chesapeake Gem & Mineral Society — Baltimore[EFMLS]
- Clearwater Lapidary Club — Clinton[EFMLS]
- Gem Cutters Guild of Baltimore — Baltimore[EFMLS]
- Gem, Lapidary and Mineral Society of Leisure World — Silver Spring[EFMLS]
- Gem, Lapidary and Mineral Society of Washington, D.C. — Potomac[EFMLS]
- Gem, Lapidary & Mineral Society of Montgomery County MD — Rockville[EFMLS]
- Maryland Geological Society — Bowie[EFMLS]
- Mineralogical Society of the District of Columbia — Washington DC[EFMLS]
- Southern Maryland Rock and Mineral Club — Waldorf[EFMLS]
Maine
- Kennebec Rocks and Minerals Club — Augusta[EFMLS]
- Maine Mineralogical & Geological Society — Portland[EFMLS]
- Midcoast Mineral Collectors Club — Thorndike[EFMLS]
- Oxford County Mineral & Gem Association — Bethel[EFMLS]
- Penobscot Mineral and Lapidary Club — Bangor[EFMLS]
Michigan
- Blossomland Gem & Mineral Society — St. Joseph[MWF]
- Central Michigan Lapidary and Mineral Society — Okemos[MWF]
- Copper Country Rock and Mineral Club — Dollar Bay[MWF]
- Flint Rock and Gem Club — Clio[MWF]
- Grand Traverse Area Rock and Mineral Club — Traverse City[MWF]
- Huron Hills Lapidary & Mineral Society — Dexter[MWF]
- Indian Mounds Rock & Mineral Club — Grand Rapids[MWF]
- Ishpeming Rock and Mineral Club — Ishpeming[MWF]
- Kalamazoo Geological & Mineral Society — Portage[MWF]
- Livingston Gem & Mineral Society — Howell[MWF]
- Michigan Gem & Mineral Society — Michigan Center[MWF]
- Michigan Mineralogical Society — Bloomfield Hills[MWF]
- Mid-Michigan Rock Club — Midland[MWF]
- Midwest Faceter's Guild — Grand Haven[MWF]
- Midwest Mineralological & Lapidary Society — Taylor[MWF]
- Mikenauk Rock & Gem — Roscommon[MWF]
- Mt. Clemens Gem & Lapidary Society — Mt. Clemens[MWF]
- Oakland County Earth Science Club — Waterford[MWF]
- Roamin Club — Livonia[MWF]
- State Line Gem & Mineral Society — Adrian[MWF]
- Tri-County Rocks & Minerals Society — Bay City[MWF]
- Tulip City Gem & Mineral Club — Holland[MWF]
- White River Rock Club — Montague[MWF]
Minnesota
- Anoka County Gem & Mineral Club — Robbinsdale[MWF]
- Big Lake Chapter — Kasson[GPAA]
- Carlton County Gem & Mineral Club — Cloquet[MWF]
- Cuyuna Rock, Gem & Mineral Society — Brainerd[MWF]
- Minnesota Mineral Club — Bloomington[MWF]
- Minnesota Valley Gem & Mineral Club — Mankato[MWF]
- New Ulm Gem & Mineral Club — Morgan[MWF]
- St. Croix Rockhounds — Stillwater[MWF]
- Steele County Gem and Mineral Club — Owatonna[MWF]
- Twin Cities Prospectors — Twin Cities[GPAA]
Missouri
- Central Missouri Rock & Lapidary Club Inc — Columbia[MWF]
- Independence Gem & Mineral Society — Independence[MWF]
- Mineral Area Gem & Mineral Society — Farmington[MWF]
- Missouri Valley Gem & Mineral Society — Saint Joseph[MWF]
- Osage Rock & Mineral Club — Osage Beach[MWF]
- Ozarks Gem & Mineral Society — Springfield[MWF]
- Pony Express Prospectors — St Joseph[GPAA]
- Rock Hobby Club of Greater Saint Louis — St. Louis[MWF]
- Rockwood Gem & Mineral Society — Chesterfield[MWF]
- Show Me Gems & Minerals Club Inc — St. Peters[MWF]
- Show-Me Rockhounds Kansas City — Kansas City[MWF]
- St. Louis Mineral & Gem Society — St. Louis[MWF]
- Tri-State Gem & Mineral Society — Joplin[MWF]
Mississippi
- Canton Mineral Club — Canton[SFMS]
- Harrison County Gem & Mineral Society Inc — Gulfport[SFMS]
- Mississippi Gem and Mineral Society — Florence[SFMS]
- Mississippi Gulf Coast Gem & Mineral Society Inc — Ocean Springs[SFMS]
- North Mississippi Gem & Mineral Society — Tupelo[SFMS]
Montana
- Billings Gem & Mineral Club Inc — Billings[NFMS]
- Bitterroot Gem & Mineral Society — Victor[NFMS]
- Blackfoot River Chapter — Lincoln[GPAA]
- Bozeman Gem and Mineral Club — Bozeman[NFMS]
- Butte Mineral and Gem Club, INC — Butte[NFMS]
- Butte MT Chapter — Butte[GPAA]
- Central Montana Prospectors — Great Falls[NFMS]
- Headwaters Chapter — Belgrade[GPAA]
- Hellgate Mineral Society — Missoula[NFMS]
- Miles City Gem and Mineral Club — Miles City[NFMS]
- Northwest Montana Rock Chucks Rock Club — Kalispell[NFMS]
North Carolina
- Carolina Slate Belt Chapter — Aberdeen[GPAA]
- Catawba NC, C.P.C. Inc. — Bessemer City[GPAA]
- Catawba Valley Gem and Mineral Club — Hickory[EFMLS]
- Charlotte Gem & Mineral Club — Charlotte[SFMS]
- Franklin Gem & Mineral Society — Franklin[SFMS]
- Gaston Gem and Mineral Club — Gastonia[SFMS]
- Hendersonville Gem & Mineral Society — Hendersonville[SFMS]
- Kannapolis NC Chapter — Kannapolis[GPAA]
- North Carolina Fossil Club, Inc. — Raleigh[SFMS]
- Statesville NC Chapter GPAA — Statesville[GPAA]
- Tar Heel Gem and Mineral Club — Raleigh[SFMS]
North Dakota
- Central Dakota Gem & Mineral Society — Bismarck[RMFMS]
- Lake Agassiz Rock Club — Fargo[MWF]
- North Dakota Gold Prospectors Assn — Bismarck[GPAA]
Nebraska
- Lincoln Gem & Mineral Club Inc — Lincoln[RMFMS]
- Loup Valley Gem & Mineral Society — Schuyler[MWF]
- Nebraska Mineral and Gem Club — Omaha[RMFMS]
New Hampshire
- Capital Mineral Club — Canterbury[EFMLS]
- Keene Mineral Club — Keene[EFMLS]
- Presidential Gem and Mineral Society — Lancaster[EFMLS]
- Saco Valley Gem and Mineral Club — Albany[EFMLS]
- Southeastern New Hampshire Mineral Club — Dover[EFMLS]
New Jersey
- Cape Atlantic Rockhounds Inc — Mays Landing[EFMLS]
- Delaware Valley Earth Science Society — Berlin[EFMLS]
- Franklin-Ogdensburg Mineralogical Society, Inc. — Franklin[EFMLS]
- Friends of Mineralogy - New Jersey Chapter — Marlboro Township[EFMLS]
- Morris Museum Mineralogical Society — Morristown[EFMLS]
- New Jersey Mineralogical Society Inc — Mountainside[EFMLS]
- North Jersey Mineralogical Society Inc — Paterson[EFMLS]
New Mexico
- Albuquerque Gem & Mineral Club — Nob Hill[RMFMS]
- Carlsbad Gem and Mineral Society — Carlsbad[RMFMS]
- Deming Gem & Mineral Society — Deming[RMFMS]
- Grant County Rolling Stones Gem & Mineral Society — Silver City[RMFMS]
- San Juan County Gem and Mineral Society — Farmington[RMFMS]
- Sierra County Rock and Gem Society — Truth or Consequences[RMFMS]
Nevada
- Comstock Gold Prospectors — Sparks[CFMS]
- Great Basin Gem & Mineral Club — Carson City[CFMS]
- Las Vegas Chapter — Las Vegas[GPAA]
- Mason Valley Gem & Mineral Club — Yerington[CFMS]
- Northern Nevada GPAA — Reno[GPAA]
- Reno Gem and Mineral Society Inc — Sparks[CFMS]
- Rock-N-Gold — Pahrump[CFMS]
- Southern Nevada Gem & Mineral Society — Las Vegas[CFMS]
New York
- Buffalo Geological Society Inc — Buffalo[EFMLS]
- Capital District Mineral Club — Albany[EFMLS]
- Cortland NY — Cortland[GPAA]
- Finger Lakes Gem, Mineral & Fossil Club — Canandaigua[EFMLS]
- Gem & Mineral Society of Syracuse Inc — Liverpool[EFMLS]
- Island Rockhounds, Inc. — Bellmore[EFMLS]
- Long Island Mineral & Geology Society — Jamesport[EFMLS]
- Mid-Hudson Valley Gem & Mineral Society Inc — Poughkeepsie[EFMLS]
- Nassau Mineral Club — Glen Cove[EFMLS]
- New York Mineralogical Club — NYC[EFMLS]
- New York Paleontological Society — NYC[EFMLS]
- Orange County Mineral Society Inc — Chester[EFMLS]
- Rochester Academy of Science — Rochester[EFMLS]
- Rochester Lapidary Society — Rochester[EFMLS]
- St. Lawrence County Rock & Mineral Club — Canton[EFMLS]
- Suffolk Gem & Mineral Club — Bay Shore[EFMLS]
- Wayne County Gem and Mineral Club — Newark[EFMLS]
Ohio
- Akron Gem and Mineral Club — Akron[MWF]
- Buckeye Chapter — Bellville[GPAA]
- Cincinnati Mineral Society — Cincinnati[MWF]
- Cleveland Museum of Natural History Mineral Club — Cleveland[MWF]
- Columbus Gem and Mineral Society — Columbus[MWF]
- Dayton Gem and Mineral Society — Dayton[MWF]
- Greater Cincinnati Lapidary & Faceting Society — Cincinnati[MWF]
- Miami County Gem & Mineral Club — Troy[MWF]
- Mid-Ohio Mineral & Fossil Club — Bucyrus[MWF]
- Northwest Ohio Rockhounds — Woodville[MWF]
- Ohio State Prospectors Association — Mount Vernon[GPAA]
- Ohio Valley Gem and Mineral Society, Inc. — Belpre[EFMLS]
- Southern Ohio Tri State Chapter — Lucasville[GPAA]
- Stark County Gem & Mineral Club — North Canton[MWF]
- Summit Lapidary Club — Cuyahoga Falls[MWF]
- Toledo Gem & Rockhound Club — Toledo[MWF]
Oklahoma
- Ada Gem, Mineral & Fossil Club — Ada[RMFMS]
- Chapter 21 OKC — Oklahoma City[GPAA]
- Enid Gem & Mineral Society, Inc. — Enid[RMFMS]
- Oklahoma Mineral & Lapidary Society — Oklahoma City[RMFMS]
- Oklahoma State Council of Mineralogical Societies — Waynoka[RMFMS]
- Rough and Tumbled Rock & Gem Club — Ponca City[RMFMS]
- Stillwater Mineral and Gem Society — Stillwater[RMFMS]
- Tahlequah Rock and Mineral Society — Tahlequah[RMFMS]
- Tulsa Rock and Mineral Society — Tulsa[RMFMS]
Oregon
- Clackamette Mineral and Gem Club — Oregon City[NFMS]
- Columbia Willamette Faceters Guild — Portland[NFMS]
- FarWest Lapidary & Gem Society — Coos Bay[NFMS]
- Hatrockhounds Gem & Mineral Society — Hermiston[NFMS]
- Lower Umpqua Gem & Mineral Society — North Bend[NFMS]
- Malheur County Rock and Gem Club — Ontario[NFMS]
- Mid Valley Prospectors — Brownsville[GPAA]
- Mount Hood Rock Club — Gresham[NFMS]
- Oregon Agate and Mineral Society — Portland[NFMS]
- Oregon Coast Agate Club — Newport[NFMS]
- Portland Gold Prospectors Inc. — Portland[GPAA]
- Prineville Rockhound Pow-Wow Association — Prineville[NFMS]
- Springfield Thunderegg Rock Club — Springfield[NFMS]
- Sweet Home Rock & Mineral Society — Lebanon[NFMS]
- Trails End Gem & Mineral Club — Astoria[NFMS]
- Tualatin Valley Gem Club — Forest Grove[NFMS]
Pennsylvania
- Bald Eagle Chapter — Port Matilda[GPAA]
- Berks Mineralogical Society — Reading[EFMLS]
- Central Pennsylvania Rock and Mineral Club, Inc. — Harrisburg[EFMLS]
- Che-Hanna Rock and Mineral Club, Inc. — Athens[EFMLS]
- Franklin County Rock and Mineral Club, Inc. — Chambersburg[EFMLS]
- Friends of Mineralogy - Pennsylvania Chapter — West Chester[EFMLS]
- Gem City Rock and Mineral Society — Erie[EFMLS]
- Greenville (Alleghany River) — Greenville[GPAA]
- Lancaster County Fossil and Mineral Club — Lancaster[EFMLS]
- Leidy Microscopical Society — Willow Grove[EFMLS]
- Mason Dixon Chapter — New Oxford[GPAA]
- Mineralogical Society of North East Pennsylvania — Scranton[EFMLS]
- Monongahela Rockhounds — Munhall[EFMLS]
- Monroe County Earth Science Association — Stroudsburg[EFMLS]
- Nittany Mineralogical Society, Inc. — State College[EFMLS]
- Philadelphia Mineralogical Society — Wayne[EFMLS]
- Tuscarora Lapidary Society, Inc. — Media[EFMLS]
Rhode Island
- Rhode Island Mineral Hunters Inc — Providence[EFMLS]
South Carolina
- Aiken Gem Mineral and Fossil Society — Aiken[SFMS]
- Congaree Gem and Mineral Society — Columbia[SFMS]
- Emerald City Rock and Gem Club — Greenwood[SFMS]
- Greenville Gem and Mineral Society — Greenville[SFMS]
- Lowcountry Gem and Mineral Society — Charleston[SFMS]
- Pendleton District Gem and Mineral Society — Seneca[SFMS]
- Upper Abbeville Gem & Mineral Club — Due West[SFMS]
South Dakota
- Northern Hills — Deadwood[GPAA]
- Sioux Empire Gem & Mineral Society — Sioux Falls[MWF]
Tennessee
- Coker Creek Chapter — Coker Creek[GPAA]
- Kingsport Gems & Minerals Society — Gray[SFMS]
- Knoxville Gem and Mineral Society — Knoxville[SFMS]
- Memphis Archaeological and Geological Society — Memphis[SFMS]
- Middle Tennessee Rockhounds — Brentwood[SFMS]
- Mid-Tennessee Gem & Mineral Society, Inc. — Murfreesboro[SFMS]
- Tennessee Valley Gem and Mineral Society — Chattanooga[SFMS]
Texas
- Arlington Gem & Mineral Club — Arlington[SCFMS]
- Austin Gem & Mineral Society — Austin[SCFMS]
- Big Spring Prospectors Club — Big Spring[SCFMS]
- Central Texas Gem & Mineral Society — Abilene[SCFMS]
- Cera Gem, Mineral & Glass Society — Fort Worth[SCFMS]
- Chihuahuan Desert Gem & Mineral Society — Alpine[SCFMS]
- Dallas Gem & Mineral Society — Dallas[SCFMS]
- East Texas Gem & Mineral Society — Tyler[SCFMS]
- El Paso Gem & Mineral Society — El Paso[SCFMS]
- El Paso TX Chapter — El Paso[GPAA]
- Fort Worth Gem & Mineral Club — Fort Worth[SCFMS]
- Fredericksburg Rockhounds — Fredericksburg[SCFMS]
- Golden Spread Gem & Mineral Society — Borger[SCFMS]
- Hi-Plains Gem & Mineral Society — Plainview[SCFMS]
- Houston Gem & Mineral Society — Houston[SCFMS]
- Llano Estacado Gem & Mineral Society — Lubbock[SCFMS]
- Midland Gem & Mineral Society — Midland[SCFMS]
- North East Texas GPAA — Greenville[GPAA]
- Paleontological Society of Austin — Austin[SCFMS]
- Pleasant Oaks Gem & Mineral Club of Dallas — Richardson[SCFMS]
- Round Rock Chapter — Round Rock[GPAA]
- Southwest Gem & Mineral Society — Canyon Lake[SCFMS]
- Texoma Rockhounds Inc — Sherman[SCFMS]
- Victoria Gem & Mineral Society — Victoria[SCFMS]
- Waco Gem & Mineral Society — Waco[SCFMS]
- Wichita Falls Chapter — Wichita Falls[GPAA]
- Williamson County Gem & Mineral Society — Georgetown[SCFMS]
- Wise County Rock Fossil & Mineral Society — Decatur[SCFMS]
Utah
- Cache Rock and Gem Club — Mendon[RMFMS]
- Mineral Collectors of Utah — Salt Lake City[RMFMS]
- Southern Utah Rock Club — Cedar City[RMFMS]
- Timpanogos Gem & Mineral Society — Provo[RMFMS]
- Tooele Gem & Mineral Society — Tooele[RMFMS]
- Wasatch Gem Society — Midvale[RMFMS]
Virginia
- Gem & Mineral Society of Lynchburg — Lynchburg[EFMLS]
- Gem & Mineral Society of the Virginia Peninsula Inc — Hampton[EFMLS]
- Micromineralogists Of The National Capital Area — Burke[EFMLS]
- Mineralogical Society of the District of Columbia — Washington DC[EFMLS]
- Northern Virginia Mineral Club Inc — Alexandria[EFMLS]
- Richmond Gem & Mineral Society — Richmond[EFMLS]
- Roanoke Valley Mineral & Gem Society — Roanoke[EFMLS]
- Shenandoah Valley Gem & Mineral Society — Waynesboro[EFMLS]
- Tidewater Gem and Mineral Society Inc — Norfolk[EFMLS]
Vermont
- Burlington Gem and Mineral Club — Essex Junction[EFMLS]
- Mineralogical Society of Brattleboro — Brattleboro[EFMLS]
Washington
- Auburn — Auburn[GPAA]
- Cascade Mineralogical Society — Kent[NFMS]
- Clallam County Gem and Mineral Association — Sequim[NFMS]
- Columbia Gorge Rockhounds — Brush Prairie[NFMS]
- Darrington Rock & Gem Club — Darrington[NFMS]
- East KingCo Rock Club — Kirkland[NFMS]
- Ellensburg Rock Wolves — Ellensburg[NFMS]
- Everett Rock & Gem Club — Everett[NFMS]
- Everett Washington — Everett[GPAA]
- Federal Way Gem & Mineral Society — Kent[NFMS]
- Grays Harbor Rock Club — Aberdeen[NFMS]
- Kennewick WA Chapter — Kennewick[GPAA]
- Lakeside Gem & Mineral Club — Kennewick[NFMS]
- Lakeside Junior Rock Club — Richland[NFMS]
- Lewis County Rock and Gem Society — Winlock[NFMS]
- Maplewood Rock & Gem Club — Edmonds[NFMS]
- Marcus Whitman Gem & Mineral Society — Walla Walla[NFMS]
- Marysville Rock & Gem Club, Inc. — Marysville[NFMS]
- Mount Baker Rock & Gem Club — Bellingham[NFMS]
- North Puget Sound Faceting Guild — Mt. Vernon[NFMS]
- North Seattle Lapidary and Mineral Club — Seattle[NFMS]
- Northwest Mineral Society — Seattle[NFMS]
- Panorama Gem & Mineral Club — Colville[NFMS]
- Puyallup Gem and Mineral Club — Tacoma[NFMS]
- Skagit Rock & Gem Club — Mount Vernon[NFMS]
- Southern Washington Mineralogical Society — Longview[NFMS]
- Southwest Washington Gold Prospectors — Vancouver[GPAA]
- Spokane Rock Rollers Club — Spokane[NFMS]
- Washington Agate & Mineral Society — Olympia[NFMS]
- Western Washington Prospectors — Port Orchard[GPAA]
- West Seattle Rock Club, Inc. — Seattle[NFMS]
- Whidbey Island Gem Club — Oak Harbor[NFMS]
- Whidbey Pebble Pushers — Greenbank[NFMS]
- Yakima Rock & Mineral Club, Inc. — Yakima[NFMS]
Wisconsin
- Badger Lapidary & Geological Society — Highland[MWF]
- Chippewa Valley Gem & Mineral Society — Eau Claire[MWF]
- Coulee Rock Club — LaCrosse[MWF]
- Greenbush Chapter — Greenbush[GPAA]
- Heart of Wisconsin Gem & Mineral Society — Marshfield[MWF]
- Indianhead Gem & Mineral Society — Luck[MWF]
- Kettle Moraine Geological Society — Pewaukee[MWF]
- Lakeland Gem Club — Rhinelander[MWF]
- Langlade Gem & Mineral Club — White Lake/Antigo[MWF]
- Madison Gem & Mineral Club — Madison[MWF]
- Neville Public Museum Geology Club — Green Bay[MWF]
- Northwest Wisconsin Gem & Mineral Society — Almena[MWF]
- Northwoods Adventurers — Rice Lake[GPAA]
- Oshkosh Earth Science Club — Oshkosh[MWF]
- Racine Geological Society — Racine[MWF]
- St. Croix Rockhounds — River Falls[MWF]
- Tomah Chapter — Tomah[GPAA]
- Wausau WI Prospectors — Wausau[GPAA]
- Wisconsin Geological Society — West Allis[MWF]
West Virginia
- GPAA Mountaineer Chapter — Millwood[GPAA]
- Kanawha Rock and Gem Club — Charleston[EFMLS]
Wyoming
- Casper Wyoming Chapter — Casper[GPAA]
- Cheyenne Gem & Mineral Society — Cheyenne[RMFMS]
- Cheyenne WY Chapter — Cheyenne[GPAA]
- Cody 59ers Rock Club — Cody[RMFMS]
- Natrona County Rockhounds — Casper[RMFMS]
- Rex Young Rock Club[RMFMS]
- Riverton Mineral & Gem Society — Lander/Riverton[RMFMS]
- Shoshone Rock Club — Powell[RMFMS]
- Sublette County Rock Hounds — Big Piney[RMFMS]
- Wyoming State Mineral & Gem Society, Inc. — Big Piney[RMFMS]
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