Limestone Specimen, Raw Gray, Home Science Tools - This is a raw, gray limestone specimen with a diameter of approximately 1 inch. The rock has a dull gray appearance and slightly chalky feel. Made mostly of calcium carbonate, so it bubbles when in contact with acid.
Earth & Space ...Limestone Specimen, Raw Gray, Home Science Tools - This is a raw, gray limestone specimen with a diameter of approximately 1 inch. The rock has a dull gray appearance and slightly chalky feel. Made mostly of calcium carbonate, so it bubbles when in contact with acid.
Earth & Space, Geology, Rocks, Minerals and Crystals, Home Science Tools, Limestone Specimen, Raw Gray, Home Science Tools