1, different components. Calcium carbonate is the main component of high calcium stone. Bluestone is a kind of gray or gray-white sedimentary rock widely distributed in the earth's crust, which is produced in Hu Hai Basin.

2. Different uses. Calcite is widely used in building materials and industrial raw materials. High calcium stone can be directly processed into stone and burned into quicklime. Bluestone belongs to the category of limestone, and marble also contains limestone, so bluestone is also a category of marble.