REACTIVE CALCIUM CARBONATE

calcium carbonate; calcium carbonate polymorphs, namely, vaterite and aragonite

non-metallic construction materials, namely, mineral-based cementitious materials in the nature of portland, hydraulic, white, masonry; non-metallic construction materials in the nature of other mineral-based cementitious materials and pozzolanic materials, namely, blast furnace slag, coal clinker and fly ash; non-metallic construction materials, namely, cement mixes and patches, concrete, mortar, aggregate, sand, mosaic, tiles, lime, gravel, brick, floor tiles, masonry units; building materials made from concrete, namely, blocks, bricks, walls, conduits, pavers, beams, partitions, barriers, pipes, modules, panels; limestone