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Feldspar; leucite; nepheline and nepheline syenite; fluorspar. > Iron ores and concentrates, other than roasted iron pyrites: > Copper ores and concentrates. > Other
Duty Rate (from China)
Products classified under Tariff item 2603.00.00.90
Antlerite Copper Sulfate Ore
Antlerite is a rare copper sulfate hydroxide mineral that forms concentrates with approximately 38% copper, ideal for solvent extraction. It is found in arid supergene zones and falls under this tariff item as a copper ore. The copper content is reported per statistical note 1.
2603.00.00Azurite-Malachite Mixed Copper Ore
Mixed azurite and malachite ores produce blended concentrates with 18-25% copper content, processed via acid leaching. These are genuine copper ores of the kind used in metallurgical extraction. They fall under this tariff item as copper ores, with the total copper content reported per statistical note 1.
2603.00.00Azurite Oxide Copper Ore
Azurite is a copper carbonate mineral (Cu3(CO3)2(OH)2) found in the oxidized zones of copper deposits. It is a genuine copper ore of the kind used in metallurgical extraction, typically processed via solvent extraction-electrowinning. It falls under this tariff item as a copper ore, with the metal content reported per statistical note 1.
2603.00.00Bornite Copper Concentrate
Bornite, also known as peacock ore, is a copper iron sulfide mineral (Cu5FeS4) that yields copper concentrates after flotation. It is a primary copper ore used as feedstock for copper smelters. It is classified under this tariff item as a copper concentrate, with the copper content reported per statistical note 1.
2603.00.00Chalcopyrite Copper Ore
Chalcopyrite is the most common copper sulfide mineral (CuFeS2), typically containing 20-30% copper. It is mined and processed into concentrates for copper extraction in smelters. It falls under this tariff item as a copper ore, with the copper content reported per statistical note 1.
2603.00.00Chrysocolla Copper Ore
Chrysocolla is a hydrated copper silicate ore (Cu2H2Si2O5(OH)4) found in oxidized zones of copper deposits. It is processed into low-grade concentrates for leaching operations and contributes to copper production through hydrometallurgical methods. It is classified under this tariff item as a copper ore.
2603.00.00Covellite Copper Ore Fines
Covellite fines are high-grade copper sulfide fines with a theoretical copper content of 66% after concentration. They are classified under this tariff item as copper concentrates, with the copper content reported per statistical note 1. These fines are used in direct smelting operations.
2603.00.00Covellite Copper Sulfide Concentrate
Covellite is an indigo-blue copper sulfide mineral (CuS) that produces high-purity concentrates (30-40% Cu) via selective flotation. It is ideal for direct smelting and is classified under this tariff item as a copper concentrate. The copper content is reported per statistical note 1.
2603.00.00Cuprite Copper Ore Concentrate
Cuprite is a red copper oxide mineral (Cu2O) that is crushed and concentrated for heap leaching operations, with typical copper content of 40-80%. It is common in porphyry deposits and falls under this tariff item as a copper ore. The copper content is reported per statistical note 1.
2603.00.00Digénite Copper Sulfide Concentrate
Digenite is a secondary copper sulfide mineral (Cu9S5) that forms concentrates through supergene enrichment, yielding 45-55% copper for smelter feed. It is separated from chalcopyrite by flotation and is classified under this tariff item as a copper concentrate.
2603.00.00Diurleite High-Grade Copper Concentrate
Djurleite is a copper-rich sulfide mineral that produces premium concentrates exceeding 50% copper content. It enhances smelter efficiency due to low impurities and falls under this tariff item as a copper concentrate. The copper content is reported per statistical note 1.
2603.00.00Enargite Copper-Arsenic Ore
Enargite is an arsenic-bearing copper sulfide mineral (Cu3AsS4) that produces concentrates treated via autoclaving or roasting for copper and byproduct arsenic recovery. Despite the arsenic content, it is classified under this tariff item as a copper ore, as it is primarily used for copper extraction.
2603.00.00Malachite Copper Concentrate
Malachite is a vibrant green copper carbonate mineral (Cu2(CO3)(OH)2) that is concentrated via crushing and flotation for acid leaching in copper production. It is common in African and other deposits and falls under this tariff item as a copper ore. The copper content is reported per statistical note 1.
2603.00.00Tennantite Copper Ore Concentrate
Tennantite is a copper arsenic sulfosalt mineral that yields concentrates with 40-50% copper after selective flotation. It is prevalent in porphyry copper deposits and falls under this tariff item as a copper concentrate. The copper content is reported per statistical note 1.
2603.00.00Tenorite Copper Oxide Ore
Tenorite is a black copper oxide mineral (CuO) from supergene enrichment, processed into concentrates for leaching with 40-60% copper grades. It is used in SX-EW copper production and falls under this tariff item as a copper ore. The copper content is reported per statistical note 1.