Septarian Calcareous Stone Slabs from Canada
Septarian nodules processed into rectangular calcareous stone slabs for decorative building elements, with specific gravity 2.5+. This unique patterned stone fits HTS 2515.20.00.00 as other calcareous monumental stone.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• XRF analysis to confirm dominant calcareous composition over other minerals
• Pattern consistency declaration prevents disputes over uniformity
• Handle fragile nodules carefully to avoid breakage reclassification