Carrollite Cobalt Copper Ore from Mexico
Carrollite (CuCo2S4) is a thiospinel mineral yielding both cobalt and copper. It qualifies under HTS 2605.00.00.00 when cobalt is the principal valuable component per assay. Mined in Central Africa for battery-grade cobalt production.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Submit value-based assays proving cobalt predominance for correct heading; track fluctuating copper:cobalt ratios in shipments
• Prepare for dual-metal origin declarations