Bighorn Basin Frontier Formation Druzy! The product is a large and impressive piece of botryoidal agate-chalcedony originating from Wyoming, weighing 3 pounds and 8 ounces. This unique and natural display specimen showcases the beauty of crystals and mineral formations, making it a stunning addition to any collection of rocks, fossils, and minerals. Its large size and intricate botryoidal texture make it a standout piece for collectors and enthusiasts of geological novelties.