Optical Grade Fluorspar Crystals from Mexico
Natural fluorspar crystals selected for >97% CaF2 purity, used in lens manufacturing and spectroscopy. Falls under HTS 2529.22.00.00 as unworked high-purity fluorspar mineral.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Submit spectroscopic purity certificates; optical grade often scrutinized for exact composition
• Declare as 'unworked crystals' to avoid reclassification as optical elements
• Package in anti-static, cushioned containers to prevent fracture during shipping