Curious about the earth under your feet?

Want to know more about the earth's 4000+ minerals and how they came to be?

Then visit or join the Mineralogical Society of the District of Columbia (MSDC)!

Who Are We?

MSDC was formed in 1942.  Our members range from novices to experts.  We're people from all walks of life who enjoy getting together to learn more about minerals, gems, geology, fossils, and collecting.  Most of us are in the Washington, DC area, but members are also scattered all over the USA.  New rockhound?  Serious enthusiast?  Experienced geologist?  We welcome you!

Admiring a mineral at a meetingWhen and Where Do We Meet?

Club meetings are at 7:45 pm on the first Wednesday of each month (except July and August) at the Smithsonian Museum of Natural History, 10th and Constitution Avenue, NW, in Washington, DC. 

What Do We Do?

We learn from presentations by scientists, curators, collectors, and members about all sorts of topics: specific minerals or mineral regions, volcanoes, caves, mining, local geology, field collecting, and much more. We also sponsor, or join other clubs, on field trips.  And we're involved in other activities to stimulate and support people's interest in and knowledge about geology, minerals, and related subjects.

Want to Know More?

For info on upcoming speakers & more, check the current MSDC newsletter.

MEETING ON WEDNESDAY, APRIL 2 - Joe Marty on microminerals. Joe is an avid field-collector and photographer of microminerals. He was elected to the BMS Micromounters Hall of Fame in 2005. He has found many new minerals in the Southwest including Postite.

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