Oregon Agate and Mineral Show — The Diamond Jubilee

This event has passed. Sorry you missed it!
When
Feb. 27–Mar. 1, 2026
Daily, 10 a.m.–5 p.m.
Free
Where
1945 SE Water Ave
Portland, OR 97214

The following description was submitted by the event organizer.

Celebrate 75 years of geological wonder at the Oregon Agate and Mineral Society’s (OAMS) historic Diamond Jubilee. This landmark event invites rockhounds, families, and curiosity seekers to explore the hidden treasures of the Pacific Northwest and beyond.

Whether you’re hunting for a rare museum-quality specimen or looking for a unique piece of artisanal jewelry, the Diamond Jubilee offers a radiant deep dive into the world of Earth science.

The 75th Anniversary features a curated blend of education, commerce, and community:

  • World-Class Exhibits: Marvel at a massive selection of exclusive private collections of rocks, minerals, fossils, or cabochons.
  • Expert Insights: Take advantage of free presentations and panel discussions led by renowned guest speakers.
  • Shop the Show: Shop a diverse array of polished rock, raw slabs, and handcrafted jewelry from the local artists.
  • Raffle and Prizes: Enter for a chance to win exceptional geological prizes throughout the weekend.

Family-Friendly Activities

  • Minecraft Geology Adventure: Perfect for young explorers! Embark on a Minecraft-inspired treasure hunt and snap a photo at the themed selfie booth.
  • Kids’ Corner: Featuring spinning wheels, educational games, and charitable items for sale.
  • Commemorative Merch: Take home a piece of history with exclusive 75th-anniversary mugs and gear.

Pro Tip: This event is one of Portland’s longest-running traditions. Arrive early to get the first pick of the unique slabs and artisanal treasures.