Santa Cruz Mineral and Gem Society

05/27/2026

05/26/2026

The May issue of Geology covers topics including kimberlite melts, Australasian tektites, molybdenite spherules, gold deposits, methanogenesis, and enhanced oceanic phosphorus.

One article on Pele's hair has already been written up in the New York Times: geosociety.co/NewYorkTimes

See the whole issue at https://ow.ly/uWAy50Z0moe

05/26/2026

Metals like copper oxidize — reacting with oxygen in the air — but gold doesn’t, thanks to a quick switch in atom arrangement on its surface.

05/10/2026

05/08/2026

SHOP CLOSED 5/9
Apologies for any inconvenience, we will back next Saturday!

04/30/2026

A heartfelt 🙏🏽THANK YOU 🙏🏽to the amazing businesses who donated to this year’s “Pick-Your-Prize” raffle for our annual Gem & Mineral Show this weekend!



Your generosity makes the show extra special and supports our Student Scholarship Fund for UC Santa Cruz and Cabrillo College earth science students.

🎉 Thank you to all who attended, and continue to attend our events! You are helping support the next generation of earth stewards! 🌍
📢Join us Nov. 2026 for our next show at the Live Oak Grange.🗓️

04/26/2026

04/26/2026

Big Rock Show back at the Civic Auditorium for 2026! Last weekend in April - tickets available at the door. www.Scrockngem.org 🤘🤩💎

04/26/2026

Doors open at 10am today & Sunday! 💎🤩🔥
Santa Cruz Mineral and Gem Society
City of Santa Cruz Parks and Recreation

01/15/2026

Meeting highlights! Our fantastic VP Dave Sommerton gave a spectacular presentation on Opal. If you missed it you missed out! Fear not, next month there will be another fascinating featured speaker, we hope to see you there!
Remember meetings are the second Wednesday of every month at the Live Oak Grange and doors open at 6:30!