Georgia Mineral Society’s 57th Annual Mother’s Day Gem and Mineral Show. May 8th thru 10th, Cobb County Civic Center, 548 South Marietta Pkwy, Marietta, GA. Admission is free. Starts Friday, May 8th 10am-6pm, Saturday, May 9th 10am-6pm and Sunday, May 10th 10am-5pm. There will be 35 vendors selling minerals, fossils, jewelry and related artisan creations. Grab bags full of minerals and fossils are available for $4.00. Be sure to sign up for the door prizes which are given away several times per hour. Also, there will be a silent auction every 2 hours throughout the day with amazing items up for bid. Demonstrations and interactive classes happen throughout the weekend. Free Kid Magic Show with Evan Dupree.