Welcome to FGMS

Fallbrook Gem and Mineral Society is a nonprofit organization located in sunny Fallbrook, CA.

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Welcome to Fallbrook Gem & Mineral Society


Our Free Museum and Gift Shop are Open Fridays 11am - 3pm & Saturdays 10am - 4pm.
Our membership meetings are held at the Fallbrook Gem & Mineral Society meeting room (123 W. Alvarado Street, Fallbrook) at 6:30 pm on the 2nd Thursday of the month September-May, except for the 3rd Thursday in February.

FGMS was founded in 1957. We are a group of individuals who share common interests in gems, minerals, jewelry, geology, paleontology and the related earth sciences and lapidary arts. The Society is based in Fallbrook, San Diego County, California -- just a "stone's throw" from some of the most productive gem mining areas in the United States. Whether you're interested in local geology or gemology, you are welcome to join our members for guest lectures, workshops, lapidary classes, field trips, gem and mineral shows - Rough N' Cut in March and Fall Festival of Gems & Minerals in October - and more.

Come and see what we've been hiding in Fallbrook!


Next regular meeting: May 8, 2025 6:30 pm  

Work party: every Saturday 10:00 pm - 3:30 pm


 Above: images from our 2025 Rough N' Cut on March 16, 2025

Fallbrook Gem & Mineral Society
Museum & Gift Shop

Open Fridays 11 am to 3 pm & Saturdays 10 am to 4 pm

 Free admission 

Closed major holidays

ABOVE: Anza Borrego field trip March 29-30, 2025, led by Jim Anderson

Many thanks to Art Lucas for the photos



Fallbrook Gem & Mineral Society
Lapidary Classes  

For information on signing up for our lapidary course,
please contact us (760) 728-1130 or by email at info@fgms.org


Upcoming events

    • November 14, 2024
    • June 05, 2025
    • 8 sessions
    • Fallbrook Gem & Mineral Society, 123 W. Alvarado St., Fallbrook California

    General membership meeting for Fallbrook Gem and Mineral Society. Admission is free. Meetings begin with the business portion at 6:30 pm followed by a presentation or special event. Registration is not required for attendance.

    • January 03, 2025
    • May 17, 2025
    • 40 sessions
    • Fallbrook Gem & Mineral Museum, 123 W. Alvarado St., Fallbrook CA 92028

    Gem and Mineral Museum plus Gift Shop. Open free to the public, this small but mighty "gem" of a museum showcases minerals, fossils and gemstones from San Diego County and beyond. Highlights include a fluorescent room, San Diego Pegmatite, fossil display, rough and cut specimens, and other mineral delights.

    • February 22, 2025
    • June 07, 2025
    • 16 sessions
    • Fallbrook Gem and Mineral Society, 123 W. Alvarado St., Fallbrook California 92028

    Volunteers informally gather on most Saturdays to do one, some or all of the following under guidance as needed:

    • process minerals (fold boxes, cut batting, prepare and place tags)
    • make flats (assortments of minerals)
    • process jewelry (thread pendants on to chains, place earrings on cards)
    • maintenance (cleaning of any type depending on need and choice)
    • volunteer suggestion: our volunteers come up with the best ideas! If you see something that appeals to you, talk about it.

    FGMS will provide lunch for work party. Volunteers are welcome for any or all hours and days.


    • April 17, 2025
    • April 20, 2025
    • Utah collecting field trip

    This multi-day field trip on April 17-20 expects to include:

    • Dugway Geode Beds
    • Searle Canyon Red Beryl Mine 
    • Topaz Mountain
    • Points beyond
    Fee will depend on the number of participants. Field trip coordinator Art Lucas will share more information as it becomes available. Trip is dependent upon weather and road/field conditions. 
    • May 03, 2025
    • December 06, 2025
    • 8 sessions
    • Fallrook Gem & Mineral Society, 123 W. Alvarado St., Fallbrook California 92028

    The elected Fallbrook Gem and Mineral Society Board of Directors meets monthly to review Committee and Event reports, plan and/or address matters pertaining to the operation of the Fallbrook Gem and Mineral Society. Members are welcome to attend. Those wishing to address the Board of Directors can contact President Lea Barton at least five days before the meeting. The minutes and financial reports are posted on the meeting room bulletin board. 

    • October 12, 2025
    • 9:00 AM - 4:00 PM
    • Fallbrook Gem and Mineral Society, 123 W. Alvarado St., Fallbrook CA 92028

    Join us for a Festival of Gems, Fossils, and Minerals! Over 40 vendors of crystals, jewelry, mineral specimens, gemstones, unusual gift items, Gem ID, bargain booth, lapidary rough and cut, wheel of fortune, kids activities - with a rockhounding trick or treat, food booth, plus a raffle of spectacular prizes! Prospective vendors can send an email to fallbrookgems@gmail.com for an application. Applications are due by August 1, 2025. If you'd like to be considered for the 2025 Fall Festival of Gems and Minerals, send an email to fallbrookgems@gmail.com or visit our Museum during open hours (Fridays 11-3, Saturdays 10-4).

123 W. Alvarado St. Fallbrook, CA 92028
Email: info@fgms.org || Phone: (760) 728 - 1130

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