The Philadelphia Mineralogical Society invites you to...
Learn about the fascinating world of geology, rocks, minerals, gems and fossils.
Meet new people.
Start and expand your own collection.
See world-class specimens and collections on field trips.
Find out where you can collect on your own.
Attend interesting lectures and workshops.
Get your minerals identified by experts in local mineralogy.
Share mineral collecting experiences with fellow collectors.
Members of the
American Federation of
the Eastern Federation of Mineralogical & Lapidary Societies.