Native Silver Ore
Native silver ore consists of elemental silver grains embedded in gangue rock from epithermal deposits. It qualifies under HTS 2616.10.00 as unrefined silver-bearing material for concentrate production. Milled and gravity-separated to yield high-grade silver concentrates.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If refined to 99.5%+ purity
Semi-manufactured silver bars or powder exceed ore stage, entering Chapter 71 precious metals.
If predominantly precious metal but roasted
Calcined or roasted precious metal ores shift to subheading 2615.90.
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Import Tips & Compliance
• Submit Customs Form 3461 with precise weight and silver assay for accelerated release
• Comply with CITES if ore originates from certain protected mining regions
• Segregate shipments from base metal ores to prevent blending and reclassification risks
Related Products under HTS 2616.10.00
Argentite Ore
Argentite (Ag2S) is a primary silver sulfide ore mined from hydrothermal veins, containing 87% silver by weight. It falls under HTS 2616.10.00 as a silver ore and concentrate used for precious metal extraction. The material is typically crushed and processed via flotation to recover silver concentrates.
Cerargyrite 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. Classified under HTS 2616.10.00 for silver ores and concentrates. It is crushed and leached for silver recovery in refining processes.
Proustite Silver Ore
Proustite (Ag3AsS3) is a silver sulfosalt ore from low-temperature veins, assaying around 60% silver. Falls under HTS 2616.10.00 as silver concentrate precursor. Flotation and roasting recover silver from arsenic-bearing matrix.
Chlorargyrite Concentrate
Flotation concentrate derived from chlorargyrite ore, enriched to 40-60% silver content for smelting. HTS 2616.10.00 covers such silver-bearing concentrates. Directly fed into cyanidation or smelting circuits.
Acantite Flotation Concentrate
Acantite (Ag2S) flotation concentrate from Mexican silver mines, grading 500-800 oz/ton silver. Classified HTS 2616.10.00 for silver concentrates. Shipped to custom smelters for matte production.
Polybasite Silver Ore
Polybasite ((Ag,Cu)16Sb2S11) is a complex silver copper ore from epithermal deposits with 50-70% Ag equivalent. HTS 2616.10.00 applies as silver-dominant ore. Processed via selective flotation.