239Other Non-Metallic Mineral Product Industry

The manufacture of intermediate and final products from non-metallic minerals mined or excavated, such as sand, gravel, rocks, or clay. The products produced include refractories, building materials, industrial and household ceramic products, cement and cement products, and stone cutting and grinding products. This group also includes the manufacture of other non-metallic mineral products such as rocks, mineral fibers, carbon, graphite, asphalt, mica, abrasive powders, and products resulting from the purification of non-metallic minerals.