Maryland Department of Natural Resources

Fossil, Rock, Gem and Mineral Clubs and Societies in the Greater Baltimore-Washington Metropolitan Area


American Fossil Federation
Meetings: 2nd Sun., bi-monthly; various places
Contact: George Powell, (703)893-7856

Gem Cutters Guild of Baltimore
Meetings: 1st Tues., 7:30 pm (except in January, July and August), Meadow Mill at Woodberry, 3600 Clipper Mill Rd., Ste 116, Baltimore

Baltimore Mineral Society
Visitors are always welcome. The club meets on the third Wednesday of each month at 7:15 pm at the Cockeysville Public Library. Other meeting locations, times, and directions are also announced ahead of time in the club newsletter and on the web site. Contact: Mike Seeds:

Gem, Lapidary and Mineral Society of Montgomery County
Meetings: 2nd Mon. (Sept-June), 7:30 pm; Rockville Senior Center,
1150 Carnation Drive, Rockville, MD  20850
Contact: Wendell C. Mohr (301)926-7190;
Calvert Marine Museum Fossil Club
Meetings: at Calvert Marine Museum, as announced
Contact: Calvert Marine Museum (410)326-2042
Maryland Geological Society
Meetings: 3rd Sun. at 11am to 3pm, bi-monthly, Bowie Community Center, Bowie, MD
Chesapeake Gem and Mineral Society
Meetings: 2nd Fri. except Aug., 7:30 pm, Westchester Community Center
2414 Westchester Ave., Oella, MD 21043
Patuxent Lapidary Guild
Patuxent Lapidary Guild is a wonderful club for people that want to learn about making jewelry, learning about rocks, gems, stones, metal and everything in between.
Southern Maryland Rock and Mineral Club
Meetings: 4th Tues., 7:00 pm, Clearwater Nature Center, 11000 Thrift Road, Clinton, MD. (301) 297-4575.  Guests are always welcome.
Natural History Society of Maryland Fossil Club
1st Wednesday of every month, 7: 30 pm, Natural History Society of MD Museum, 6908 Belair Rd, Baltimore, MD 21206.  Visitors Welcome (Post Covid)
Gem, Lapidary and Mineral Soc. of Washington, D.C.
Meetings: 3rd Friday, 7 pm, Chevy Chase Community Center, Connecticut Ave NW & McKinley St, Washington,DC.  See web site for contact information

Mineralogical Society of the District of Columbia;
Meetings: 1st Wednesdays (except July and August), 8 pm, Smithsonian Museum of Natural History;10th & Constitution Ave NW, Washington, DC (free street parking; Archives Metro station).  Contact: Andy Thompson, (301-270-6790)

Gem and Mineral Hunters
Meetings: 3rd Tues., 7:30, 1 County Complex Court, Prince William, VA 22192 in the Occoquan Conference Room.  Please see web site fore details.
Northern Virginia Mineral Club
Meetings are held on the 4th Monday of each month, except July and August, via ZOOM
Micromineralogists of the National Capital Area
Meetings: 4th Wed., 7:00 pm, Long Branch Nature Center, 625 S. Carlin Springs Rd., Arlington, VA 22204
Contact: Kathy Hrechka;

Delaware Mineralogical Society
Meetings: second Monday of every month (except July or August) at 7:30 PM at the historic Greenbank Mill, Newark, DE

Clubs of the Eastern Federation of Mineralogical and Lapidary Societies in Maryland and Surrounding States
United States Club List
Rock, Mineral, and Fossil Clubs in the Washington DC Area

This information was compiled by the Maryland Geological Survey from a variety of sources. Most of these organizations hold elections of officers on a calendar year basis.

Please send any additions, changes, or corrections to:

Maryland Geological Survey
2300 St. Paul Street
Baltimore, MD 21218-5210
Phone: 410-554-5505
Fax: 410-554-5502

A printable version of FactSheet 14 is available in Adobe Acrobat PDF format

Prepared by Jim Reger
Compiled by the Maryland Geological Survey, 2300 St. Paul Street, Baltimore, MD 21218
This electronic version of "FactSheet No.14" was prepared by R.D. Conkwright, Division of Coastal and Environmental Geology, Maryland Geological Survey. Please send comments on this page to Dale Shelton (