MGSCV Blog

MGSCV display cases from the Alameda County Fai...

"Guess a Rock" Alameda County Fair 2023     Joseph Alvarado's Case - Alameda County Fair 2023 Won First Place!   Gem and Mineral Society of Castro ValleyShared Case - Alameda...

75th Annual Mineral, Gem and Jewelry Show 2024

The Mineral and Gem Society of Castro Valley presents the 75th Annual Mineral, Gem & Jewelry Show & Sale Dates: March 1-3, 2024 (Save the dates.) Hours: Friday: 11 am...

California Gem and Mineral Shows - November 2023

Did you miss out on earlier gem society shows or did you have so much fun you want to go to another one? Whatever your motivation, here is the latest list...