GTC Rock shop is a retail mineral, rock, and fossil shop located in FSK Mall in Frederick, MD. Our 6,000 square foot showroom features one of the area's largest variety of rough and tumbled stones, crystals, gemstone jewelry, and geodes available at all price points. All sales from our retail division help support our educational efforts. Our brand new science education center is available for private events, birthday parties, school field trips, and public classes and speaker events. Our gem mining sluice is now available for the public and for programs! Please check our Instagram/Facebook, or call ahead for our mining hours!

GTC Mission Statement: "To proudly provide fun & educational programs, products, and experiences all with the goal of inspiring "kids of all ages" to explore and learn more about the sciences."