Chrysocolla Copper Ore from Japan
Chrysocolla is a hydrated copper silicate ore (Cu2H2Si2O5(OH)4) often found in oxidized zones, processed into low-grade concentrates for leaching operations. It contributes to copper production through hydrometallurgical methods. HTS 2603.00.00 covers this as a natural copper-bearing ore.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide detailed mineralogical analysis to distinguish from non-copper silicates
• Declare silica content accurately as it affects valuation and potential reclassification
• Comply with dust suppression standards for fine ore particles during shipping