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SITCSection 6
U.S. imports of small natural stone tiles, cubes & colored stone granules (SITC 66133) totaled $9.5M in April 2026, traded with 24 countries.
Importers of Small Natural Stone Tiles, Cubes & Colored Stone Granules paid $830K in duties in April 2026 — an effective duty rate of 20% on $4.2M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataDefined by a precise dimensional threshold — the largest surface area must fit within a square whose side is under 7 cm — these small-format natural stone tiles, cubes, and mosaic tesserae serve the decorative tile, mosaic art, and landscaping industries. Colored stone granules and chippings in this heading are widely used as surface dressings for roofing membranes, resin-bound pathways, and aquarium substrates. The strict size criterion is the primary classification boundary: pieces exceeding the 7 cm threshold shift to other stone-product headings. Importers should document stone type, dimensions, and surface treatment to support correct classification.
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The rule measures the largest surface area of the piece: if that surface can be enclosed within a square whose side is less than 7 cm, the piece qualifies here. Pieces where the largest face exceeds that square — even if only slightly — are classified under other stone-product headings. Importers should obtain dimensional certifications from suppliers and retain them for customs review.
Yes, colored granules, flakes, and chippings of natural stone intended for roofing, flooring, or decorative surface applications are included here, provided they meet the size criteria. Products that have been further processed into manufactured aggregates or coated with binders may shift to other headings, so the processing method should be confirmed before classification.
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Monthly import values over time