Raw Andalusite Ore from Mexico
Raw andalusite ore consists of natural andalusite crystals extracted from deposits, typically containing 55-60% alumina. Classified under HTS 2508.50.00.00 as uncalcined andalusite, it serves as a raw material for refractory bricks and high-temperature ceramics.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide mining origin certificates and XRF analysis confirming andalusite composition to prevent reclassification
• Ensure proper packaging declarations for bulk mineral shipments to avoid expanded clay confusion
• Check for radioactivity certificates if sourced from certain deposits, as some aluminosilicates contain trace uranium