Azurite Oxide Copper Ore from Mexico
Azurite (Cu3(CO3)2(OH)2) is a blue basic copper carbonate ore from secondary enrichment zones, yielding concentrates for solvent extraction-electrowinning (SX-EW) processes. HTS 2603.00.00 applies to these oxide copper ores.
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
• Document oxide vs sulfide speciation for appropriate processing declarations
• Ensure ventilation requirements for carbonate ore shipments
• Use independent assayers for copper recovery potential verification