Leucite Ore Feldspar from Mexico
Feldspar extracted from leucite-rich volcanic rocks, used in specialty ceramics requiring high potash flux. Classified as feldspar under HTS 2529.10.00.00 despite leucite association, as primary mineral is feldspar.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Conduct XRF analysis to quantify K-feldspar vs leucite ratios for accurate heading declaration
• Declare volcanic ash content if present, as it may trigger agricultural quarantine inspections
• Use magnetic separation certificates to confirm low iron for premium ceramic applications