Coltan Ore (Tantalite)
Coltan ore, primarily tantalite, is a natural mineral deposit containing tantalum niobate (FeTa2O6) extracted from alluvial or hard-rock mining operations in regions like the Democratic Republic of Congo. It falls under HTS 2615.90.60.60 as tantalum-bearing ore and concentrates, distinguished by its high tantalum content used in electronics manufacturing. The assay quantity of metal content is reported without deductions per statistical notes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily niobium (columbium) content exceeds tantalum
Ores dominated by niobium fall under the specific niobium subheading within the same heading 2615.
If chemically processed into slag or residues for metal extraction
Processed residues from tantalum extraction used industrially classify under heading 2620 per chapter notes, not raw ores.
If refined to high-purity chemical compounds rather than ore
Purified tantalum compounds like tantalum oxide shift to Chapter 28 for inorganic chemicals.
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Import Tips & Compliance
• - Verify tantalum content via certified assay reports to confirm classification under 2615.90.60.60 and report exact metal quantity without deductions
• - Obtain origin certificates due to conflict mineral regulations (Dodd-Frank Act) requiring due diligence for coltan from Central Africa
• - Beware of misdeclaration as niobium ore; improper blending can lead to reclassification and penalties
Related Products under HTS 2615.90.60.60
Tantalite Concentrate Grade A
Tantalite concentrate Grade A is a processed ore with minimum 35% Ta2O5 content, produced by gravity separation and magnetic concentration from primary tantalum deposits. Classified under HTS 2615.90.60.60 as tantalum concentrates, it serves as feedstock for tantalum metal extraction in capacitor production. Statistical reporting requires assay-based metal content.
Ethyl Lake Tantalum Ore
Ethyl Lake tantalum ore from Canadian pegmatite deposits contains high-grade tantalum minerals like tantalite and microlite, typically grading 20-40% Ta2O5. It is classified under HTS 2615.90.60.60 for tantalum ores, valued for low uranium/thorium impurities suitable for nuclear and electronics applications.
Green Bushes Tantalum Concentrate
Sourced from the Green Bushes mine in Australia, this tantalum concentrate features 40%+ Ta2O5 from spodumene-associated pegmatites, processed via dense media separation. HTS 2615.90.60.60 applies to these tantalum concentrates, critical for superalloy and capacitor industries.
Pilgangoora Tantalum Ore
Pilgangoora tantalum ore from Western Australia's hard-rock deposit yields concentrates with 25-35% Ta2O5, often as byproduct of lithium mining. It is categorized under HTS 2615.90.60.60 for tantalum ores and concentrates, with metal content assayed per statistical requirements.