The Fallbrook Gem & Mineral Society (FGMS) is an organization dedicated to promoting the study and appreciation of mineralogy, paleontology, and related earth sciences. Founded in 1957, the society comprises individuals with shared interests in gems, minerals, jewelry, geology, and lapidary arts. FGMS operates a museum in Fallbrook, California, featuring exhibits on local and worldwide minerals, fossils, and mining history. They also host educational programs, workshops, lapidary classes, and community events such as the annual Fall Festival of Gems, all run by volunteers.