Marble Granules, Chippings & Powder

Marble granules, chippings, and powder — classified under a single tariff line (2517410000) — serve diverse end uses including terrazzo flooring, decorative concrete, paint fillers, and landscaping aggregates, making particle size and surface treatment key commercial specifications. Unlike dimension marble slabs, these comminuted forms are valued for their calcium carbonate purity and optical brightness rather than structural integrity. Canada and Mexico lead US supply, with Turkey, Colombia, and Italy also among the top sources. Importers should distinguish this heading from calcium carbonate powders classified as chemical products, as processing degree and intended use can affect classification.