Ruby Mica Crude Blocks from Mexico
Unprocessed ruby muscovite mica in large crude blocks, directly from mining operations. Falls under HTS 2525.10.00 as crude mica not yet rifted into sheets. Prized for its reddish hue and dielectric properties in specialty capacitors.
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
• Obtain color and purity certificates to justify premium valuation and avoid under-valuation disputes
• Confirm no pre-rifting to distinguish from sheets under the same heading
• Comply with CITES if sourced from regions with biodiversity concerns affecting mica mining