CALENDAR OF EVENTS
September 2025
September – November 2025
I. SDMG – Meetings, Announcements & Events
Mon, Sept 8, 2025 – Gemological Division Meeting CANCELED
Mon, Sept 15 at 9am, 2025 – Workshop OPENS, SDMG Bldg. – Volunteers still needed! Read more»
Mon, Sept 15 at 9am, 2025 SAN DIEGO, CA – Fall Workshops & Classes start »
Mon, Sept 15, 2025 – SDMG Board Meeting (Virtual)
Mon, Sept 22, 2025 – SDMG General Meeting, 7pm, SDMG Bldg.
Mon, October 13, 2025 – Mineral Division Meeting
Sat & Sun, November 1–2, 2025 – Gem Diego Show 2025, Liberty Station Conference Center
Detailed listings for Shows and Events appear in The Pegmatite
Join the SDMG mailing list to receive regular e-Newsletters with a link to the bulletin
II. On the Go… To a Show & Other Events
Sat & Sun, Sept 20 – 21, 2025 Arcadia, CA – Pasadena Lapidary Society 65th Annual Tournament of Gems
Sat & Sun, September 27–28, 2025 San Luis Obispo, CA – San Luis Obispo Gem & Mineral Club Gems by the Sea
Sat, October 4, 2025 Lake Elsinore, CA – Lake Elsinore Gem & Mineral Society 5th Annual Fall Rock & Craft Show
Sat & Sun, October 11–12, 2025 Long Beach, CA – Long Beach Mineral & Gem Society Gems on a Hill
Sun, October 12, 2025 Fallbrook, CA – Fallbrook Gem & Mineral Society Fall Festival of Gems
Sat & Sun, October 18–10, 2025 Orange, CA – American Opal Society 55th Annual Opal, Gem & Jewelry Show
Sat & Sun, October 18–19, 2025 SANTA ROSA, CA – SRMGS 48th Annual Mineral & Gem Show
Sat, October 18, 2025 West Hills, CA – WHRC Gem Show
Fri, Sat & Sun, November 14 – 16, 2025 Santa Ana, CA – West Coast Gem & Mineral Fall Show
I. and II. All Meetings, Events & Shows
Mon, Sept 8, 2025 SAN DIEGO, CA – Gemological Division Meeting CANCELED
Sponsor: SDMG
Venue: SDMG Bldg, at the back of Spanish Village in Balboa Park, San Diego
Hours: 7pm
Admission: Free. Open to the public.
Parking is limited behind the SDMG Bldg, so it's first come, first served. Look for additional parking in the Carousel parking lot near Park Blvd. or in the Zoo parking lot.
The September meetin of the Gemological Division is CANCELED. We regret any inconvenience.
Sat & Sun, Sept 20 – 21, 2025 ARCADIA, CA – 65th Annual Tournament of Gems
Sponsor: Pasadena Lapidary Society
Venue: Arcadia Masonic Center
50 W. Duarte Rd., Arcadia, CA 91007
Hours: Sat 10am – 5pm; Sun 10am – 4pm
Admission & Parking: Free
Website: pasadenalapidary.org
Mon, Sept 22, 2025 SAN DIEGO, CA – SDMG General Meeting
Sponsor: San Diego Mineral & Gem Society
Venue: SDMG Bldg, at the back of Spanish Village in Balboa Park, San Diego
Hours: 7pm
Admission: Free. Open to the public.
Parking is limited behind the SDMG Bldg, so it's first come, first served. Look for additional parking in the Carousel parking lot near Park Blvd. or in the Zoo parking lot.
Program TBA.
There will be refreshments and door prizes. We'll have coffee, iced tea, soda and any snacks you'd like to bring to share with everyone. Everyone is welcome and we hope you'll have an enjoyable time.
Sat & Sun, September 27–28, 2025 SAN LUIS OBISPO, CA – Gems By The Sea
Sponsor: San Luis Obispo Gem and Mineral Club
Venue: Veteran’s Memorial Building
801 Grand Ave., San Luis Obispo, CA 93401
Hours: 10am – 5pm Daily
Admission: Adults $5, Children 12 and under Free.
Parking: Free.
Contact: 2025show@slogem.org
Website: slogem.org/gems-by-the-sea/
The show will feature about two dozen dealers selling a fantastic array of gems, minerals, fossils, carvings. jewelry, beads, jade, crystals, lapidary, and metaphysical items. Many of the dealers will be local artisans who will have unique handcrafted items for sale. There will be activities for children and demonstrations of jewelry-making and lapidary arts.
Sat, October 4, 2025 LAKE ELSINORE, CA – 5th Annual Fall Rock & Craft Show
Sponsor: Lake Elsinore Gem & Mineral Society
Venue: 32097 Corydon Rd., Lake Elsinore, CA 92530
Hours: 10am – 4pm
Contact: John at 909-208-6956 or berylman50@aol.com
A wide variety of local vendors, plus fossils and minerals.
Sat & Sun, October 11–12, 2025 LONG BEACH, CA – Gems on the Hill Show
Sponsor: Long Beach Mineral & Gem Society
Venue: Signal Hill Library
1800 E. Hill St., Signal Hill 90755
Hours: Sat 10am – 5pm; Sun 10am – 4pm
Admission: Free
Contact: 562-253-1390, lbmineralgemsociety@gmail.com
Website: lbmineralgem.org and facebook.com/LBMGS
Gems, Crystals, Rocks, Slabs, Fossils, Books, and Tools, showcasing the sheer diversity and beauty of our planet's geological wonders. There will be awe-inspiring exhibits; a Lapidary demonstration and Gold Panning; and Children's activities that aim to spark curiosity and fascination with the world of geology.
Sun, October 12, 2025 FALLBROOK, CA – Fallbrook Fall Festival of Gems & Minerals
Sponsor: Fallbrook Gem & Mineral Society
Venue: 123 W. Alvarado St. (show on street & in parking lot)
Fallbrook CA 92028
Hours: Sun 9am – 4pm
Admission & Parking: Free
Website: www.fgms.org
30 dealers featuring minerals, gemstones, jewelry, fossils, unusual gifts and more. 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!
Mon, October 13, 2025 SAN DIEGO, CA – Mineral Division Meeting
Sponsor: SDMG
Venue: SDMG Bldg, at the back of Spanish Village in Balboa Park, San Diego
Hours: 7pm
Admission: Free. Open to the public.
Parking is limited behind the SDMG Bldg, so it's first come, first served. Look for additional parking in the Carousel parking lot near Park Blvd. or in the Zoo parking lot.
The guest speaker for the first meeting of the fall will be Dan Zellner and his topic will be Smithsonite: The Tsumeb Mine. There is an amazing diversity of smithsonite specimens, all of interest to mineral collectors. The Tsumeb Mine in Namibia became famous with collectors during its 100+ years of operation. Dan's talk will cover the variety of colors, habits, inclusions and associations of smithsonite found at the Tsumeb Mine.
Sat & Sun, October 18–19, 2025 ORANGE, CA – 55th Annual Opal, Gem & Jewelry Show
Sponsor: American Opal Society
Venue: Velvet Rose Event Center
300 S. Flower St., Orange, CA 92868
Hours: Sat 10am – 6pm; Sun 10am – 5pm
Contact: 714-501-9959 or angeldragonofflight@yahoo.com
Website: opalsociety.org
Opal and gem dealers from around the USA and beyond featuring rough and cut opals, other gemstones, jewelry and supplies. There will be a Grand Prize drawing and other prizes, Demonstrations of gemstone cutting, faceting and jewelry making, as well as gemstone identification, gold pannin, and more!
Sat & Sun, October 18–19, 2025 SANTA ROSA, CA – 48th Annual Gem & Mineral Show
Sponsor: Santa Rosa Mineral & Gem Society
Venue: The Veterans Memorial
1351 Maple Avenue, Santa Rosa, CA 95404
Admission: Adult $8 regular admission ($7 with coupon - see website), Children under 12 Free.
Contact: 707-583-1824
Website: srmgs.org
Dealers from all over California, Nevada and Oregon. Games and crafts for the kids, two Silent Auctions, member display cases, special exhibits (fluorescent rocks this year), rock identification, plus lots more.
Sat, October 18, 2025 WEST HILLS, CA – WHRC Gem Show
Sponsor: Woodland Hills Rock Chippers
Venue: First United Methodist Church
22700 Sherman Way, Woodland Hills, CA 91307
Hours: 10am – 5pm
Admission: Free.
Contact: barnettcelia53@gmail.com
Website: rockchippers.org
Displays, dealers, crafts, raffle, games, silent auction and more.
Fri, Sat & Sun, November 14 – 16, 2025 SANTA ANA, CA – West Coast Gem & Mineral Fall Show
Sponsor: LLD Productions
Venue: Holiday Inn – Orange County Airport
2726 South Grand Ave, Santa Ana, CA 92705
Hours: Fri & Sat 10am – 6pm, Sun 9am – 5pm
Admission & Parking: Free. Open to the public.
80 Retail and Wholesale Dealers.