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Contra Costa Show 2024


Venue: Centre Concord 5298 Clayton Rd Concord , CA 94521

The Contra Costa County Mineral & Gem Society is pleased to announce they are having their annual Gem and Mineral show at the Centre Concord . Show hours are 10am - 5pm each day. Family fun and games, Door prizes, Raffle and the popular Rock Auction will be back. Demonstrations of gold panning, fluorescent minerals with rock and gem ID. There will be over 20 dealers of minerals, fossils, meteorites and jewelry.

Entry fee $6, Active duty military, first responders, scouts in uniform admission are free.

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October 5

Nevada County Gem & Mineral Show 2024

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March 8

Turlock Gem & Mineral Show 2025