Gold content
Precious metal ores and concentrates. > Silver ores and concentrates > Gold content
Duty Rate (from China)
Products classified under Tariff item 2616.10.00.50
Acantite Flotation Concentrate
Acantite (Ag2S) flotation concentrate from Mexican silver mines, grading 500-800 oz/ton silver. This concentrate is a mineral product used in metallurgical extraction of silver, falling under tariff item 2616.10.00 for silver ores and concentrates.
2616.10.00Argentite Ore
Argentite (Ag2S) is a primary silver sulfide ore mined from hydrothermal veins, containing 87% silver by weight. This ore is used for precious metal extraction and falls under tariff item 2616.10.00 as a silver ore.
2616.10.00Bromargyrite Ore
Bromargyrite (AgBr) is a secondary silver ore from arid oxidation zones with 70% Ag content. This ore is directly amenable to cyanide leaching without roasting, making it a valuable silver ore for metallurgical extraction, classified under tariff item 2616.10.00.
2616.10.00Cerargyrite Silver Ore
Cerargyrite, or horn silver (AgCl), is a chloride silver ore found in oxidized zones of silver deposits with up to 75% silver content. This ore is crushed and leached for silver recovery, falling under tariff item 2616.10.00 for silver ores and concentrates.
2616.10.00Chalcopyrite-Silver Ore Concentrate
Concentrate rich in chalcopyrite (copper-iron sulfide) intergrown with silver minerals from epithermal deposits, beneficiated for metal recovery. This concentrate is classified under tariff item 2616.10.00 as a silver ore concentrate with copper content.
2616.10.00Chlorargyrite Concentrate
Flotation concentrate derived from chlorargyrite ore, enriched to 40-60% silver content for smelting. This concentrate is a silver-bearing material used in cyanidation or smelting circuits, classified under tariff item 2616.10.00.
2616.10.00Cyanidation Silver Tailings
Tailings from silver cyanidation circuits with Merrill-Crowe precipitates recycled as concentrate, containing 1-5% metallic silver cement. This material is used for silver recovery and falls under tariff item 2616.10.00 as a silver-bearing concentrate.
2616.10.00Epithermal Silver Vein Ore
High-grade epithermal vein ore from Tertiary deposits, averaging 1,000 g/t Ag. This direct ship ore is a silver ore used for metallurgical extraction, classified under tariff item 2616.10.00.
2616.10.00Flotation Concentrate from Silver Ores
Flotation-processed concentrate from polymetallic silver ores featuring copper sulfides like chalcopyrite, with silver as tellurides or native form. This concentrate falls under tariff item 2616.10.00 as silver ore concentrate with copper content.
2616.10.00Native Silver-Copper Mineral Concentrate
Concentrate featuring native silver grains with copper-native associations from oxidized zones, milled and floated. This concentrate is classified under tariff item 2616.10.00 for silver ore concentrates with copper content.
2616.10.00Native Silver Ore
Native silver ore consists of elemental silver grains embedded in gangue rock from epithermal deposits. This unrefined silver-bearing material is milled and gravity concentrated for silver recovery, falling under tariff item 2616.10.00.
2616.10.00Polybasite Silver Ore
Polybasite ((Ag,Cu)16Sb2S11) is a complex silver copper ore from epithermal deposits with 50-70% Ag equivalent. This silver-dominant ore is processed via selective flotation and falls under tariff item 2616.10.00.
2616.10.00Polymetallic Silver-Copper Flotation Product
Beneficiated flotation product from silver-lead-zinc-copper ores, enriched for silver with notable copper sulfides. This product is classified under tariff item 2616.10.00 for silver concentrates, reporting copper content statistically.
2616.10.00Proustite Silver Ore
Proustite (Ag3AsS3) is a silver sulfosalt ore from low-temperature veins, assaying around 60% silver. This ore is processed via flotation and roasting for silver recovery, classified under tariff item 2616.10.00.
2616.10.00Stephanite Concentrate
Stephanite (Ag12Sb4S13) silver-antimony concentrate produced by froth flotation, containing 60%+ silver. This concentrate is smelted to antimonial lead bullion and falls under tariff item 2616.10.00 for silver concentrates.