Ships and tracked first day! Usually arrives within a few days of purchase, thanks for looking! Sorry, no returns on collectibles due to buyer handling. Large 570g Carborundum Silicon Carbide Stone Crystal, originating from the United States. This unique mineral geode features a natural shape, making it a valuable addition to any crystal and mineral specimen collection. With its striking appearance and exceptional size, this collectible piece is sure to be a standout display piece for any enthusiast of rocks, fossils, and minerals.