Fun family event featuring Rocks, Minerals, Crystals and Fossils from all over the World. Three auctions every hour: Silent Auction, Oral Auction, and Mini Silent Auction. The mini silent auction has low priced rocks and fossils that children, or the novice collector, will love "winning". Hosted by The Roamin Rock & Mineral Club. Auction proceeds benefit a science scholarship fund at Schoolcraft College. Note: Payment by cash or check only.