Join the Geodeland Earth Science Clubs for the 44th Rock-Gem Mineral and Fossil Show at Western Illinois University in the Student Union Ballroom in Macomb, IL. Admission and parking is free. The event will feature dealers in minerals, fossils, gems, and jewelry, demonstrations, kids activities, Earth Science displays, geode cracking, silent auction, and more! Event times are Saturday 10 am to 6 pm and Sunday 10 am to 5 pm.