MGSCV Blog

MGSCV Membership meeting this Saturday, Decembe...

The last MGSCV Membership meeting of the year is this Saturday, December 16, starting at 12:00pm it is also our annual potluck lunch. It will be held at the church of Christ,...

MGSCV Membership meeting this Saturday, Decembe...

The last MGSCV Membership meeting of the year is this Saturday, December 16, starting at 12:00pm it is also our annual potluck lunch. It will be held at the church of Christ,...

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...

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...

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 - January 2024

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...

California Gem and Mineral Shows - January 2024

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...