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Peninsula Gem & Geology Society Sequoia Gem & Mineral Society Present a Joint 2026 Gem & Mineral Show Location: Redwood City Communities Activities Building 1400 Roosevelt Avenue Redwood City, CA 94061 Dates: Saturday and Sunday 10am - 5pm October 10th, 2026 October 11th, 2026 Adults $6.00 Children under 12 free There will be display cases of our clubs' lapidary classes, field trips, jewelry and member interests. Dealers will be selling hand crafted jewelry, gemstones, fossils, mineral specimens, collectible rocks for home display and other items. All children get a free ticket for the Treasure Wheel for a free prize. 2026 Vendors and Dealers Buddha Gems and Minerals Sunja's Fine Arts Holy Cow Jewelry JM Imports (listed in the order they are confirmed) Click below for directions or larger map