Rocks, Fossils, Minerals, & Jewelry
FEBRUARY 27 – MARCH 1, 2026 | 10 AM – 5 PM |FREE ADMISSION* | OMSI AUDITORIUM
Join OMSI and the Oregon Agate & Mineral Society for the 75th annual Agate and Mineral Show –  The Diamond Jubilee. Celebrate Earth’s treasures at this family-friendly event—featuring rock & mineral exhibits, live lapidary demos, handcrafted jewelry, guest speakers, and more.
Proceeds from this event go directly to the Oregon Agate & Mineral Society, supporting educational programs that inspire the next generation of rockhounds.
*Access to the Museum Not Included
Activities Happening All Day
Rocks, Fossils, & Minerals Exhibition | Including Minecraft-inspired exhibition
Lapidary Demonstration | Rock Saw, Rock Polish and Faceting
Lectures by Guest Speakers
Rocks and Minerals for Sale
Minecraft-Inspired Treasure Hunts
Children’s Corner
Jewelry Sales | Limited Editions – One of a kind handcrafted jewelry.
Raffle Tickets for Amazing Prizes
Guest Speakers
All presentations listed below are free of charge. Seating is limited and we recommend you arrive 15 minutes prior to the start time.
Presentations
Friday, February 27
10:30am: Opening: A Legacy Welcome from Our President, Jim Urbania
12:30pm: A short documentary about Oregon Agate and Mineral Society (video)
2:30 PM: Sunstones, Mystery of Oregon’s Sunstones (video)
Saturday, February 28
10:30 AM: Paleoclimatology, The Study of Ancient Climates with Greg Carr, paleontology expert
12:30 PM: Pixels vs. Pickaxes, The Myth and Reality of Minecraft Rockhounding
2:30 PM: Pub Trivia, A Rock and Mineral Panel Experience featuring OAMS experts
Sunday, March 1
10:30 AM: Historic Rocks, The Stories They Have to Tell with Jim Urbania, OAMS President
12:30 PM: Start Your Geological Journey, Rockhounding for All Ages with Chris Lukas, OAMS member
2:30 PM: Panel Discussion, A Cross-Border Rockhoundin with a panel of OAMS experts
Questions? Email events@omsi.edu.
Frequently Asked Questions
Questions? Email events@omsi.edu or call 503.797.4000 x0.
The 75th Annual Agate and Mineral Show: Â The Diamond Jubilee will take place February 27 through March 1, 2026 in the OMSI Auditorium from 10am – 5pm daily.
Hours may be subject to change. Please see our What’s On Calendar for the most up-to-date information including special holiday and school break hours.
The Agate and Mineral Show will be held in the OMSI Auditorium.
To access the event space, you’ll enter in through the Main Lobby and take a right to the Space Science Hall. From there, you’ll walk past the Planetarium and turn left into the double doors. If you have trouble finding the show, feel free to ask a member of our staff for assistance.
The Agate and Mineral show is free and open to the public. If you decide that you want to explore other exhibits at OMSI, you will have to pay for museum admission.
OMSI is located at 1945 SE Water Ave Portland, OR 97214. Visitors can pay for parking through the Parking Kitty app or at the parking kiosks in the North and South parking lots.
OMSI parking costs $5 (+ fees) for 2 hours or $8 (+ fees) for all day parking. Guests arriving at 5pm or later can expect to pay a flat fee of $2 (+ fees) for the evening.
Venue Information
OMSI Auditorium
1945 SE Water Ave.
Portland, OR 97214
Presented by
Accessibility
- Wheelchair Accessible
- Aira Visual Interpretation Services
- Motorized Scooters Available On Site
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