Malachite Copper Concentrate from Mexico
Malachite, a vibrant green copper carbonate hydroxide mineral, produces concentrates averaging 20% copper content suitable for hydrometallurgical recovery. Under HTS 2603.00.00.10, the copper content is reported via assay as per statistical notes. It is commonly heap-leached for copper production.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Label shipments clearly as 'copper ore concentrate' to distinguish from refined products
• Prepare for potential sampling by customs to verify declared copper content
• Ensure phytosanitary certificates if ore contains organic residues from mining