Natural Ruby Dust from Mexico
Ultrafine dust from natural rubies, with 90%+ passing 0.5mm mesh, used in precision lapping and optical polishing. Falls under HTS 7105.90.00.00 as 'other' dust/powder of natural semi-precious stones.
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
• Include sieve analysis report proving powder form compliance
• Document natural corundum origin to distinguish from synthetic ruby powder