Annual Gem & Mineral Show

Cobb County Civic Center · Cobb County Civic Center, Larry Bell Recreational Center, 548 South Marietta Pkwy SE,Marietta, GA

Friday, Nov 21st, 2025 · Cobb County Civic Center

10 AM – 6 PM — Cobb County Civic Center — Free admission — A three-day extravaganza for rock and mineral enthusiasts with activities for the whole family.

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Annual Gem & Mineral Show

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Annual Gem & Mineral Show

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