Welcome to the Contra Costa Mineral and Gem Society!

CCMGS is on Facebook!



Our general meetings are the 2nd Monday each month at
Endeavor Hall, 6008 Center St., Clayton, CA 94517.
Meeting hall opens at 6:30 p.m., meeting begins promptly at 7:00 p.m.

Next meeting: Monday, August 8, 2022
Doors open 6:30 p.m., program 7:00 p.m.

PROGRAM: Potluck of both food and art
Bring something to share with the group for food, and bring a piece of your art to discuss. 
Let us party people.

Monthly Display Competition

Members are eligible to enter these competitions and win recognition.  As long as there are two or more items entered in the area of competition, the winner is eligible to win a cash prize!

CABBERS: We have three categories for you to compete in:
Any member who has not won the “Pro” designation in previous years.
* PRO:
Any member who has won the “Pro” designation in previous years.
Pros and Novices compete side-by-side to create the most eye-catching cabochon in the shape of the month (see below for list of shape-of-the-month).

FACETERS: Create a new project and bring it in to share. We have a special display tray to show your work off at its beautiful best!

WEARABLE ART: Bring your original work, necklaces, earrings, rings, cuffs, etc. and hang them on our special display board for everyone to see, enjoy, and vote for!

Shape of the Month:
January: Irregular
February: Heart
March: Round
April: Oval
May: Pear (teardrop)
June: Rectangles & squares
July: Free-form
August: Triangle
September: Auction night – no competition
October: Marquise
November: Oval
December: Holiday party – no competition