Ferberite Tungsten Ore
Ferberite, an iron-rich endmember of the wolframite series, is a tungsten ore from granite-related deposits with high FeWO4 content. HTS 2611.00.30.00 covers this raw ore form before beneficiation. Metal content reported per assay without deductions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If after magnetic separation
Ferberite ore separated magnetically to remove iron and concentrate WO3 classifies as tungsten concentrates.
If majority particles >4.75mm and iron dominant
Coarse iron-tungsten ores resembling coarse iron ores may use iron ore statistical suffixes per notes.
If slag residues from processing
Processing residues used for metal recovery fall under Chapter 2620 per heading notes, excluding municipal waste ash.
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Import Tips & Compliance
• Conduct sieve analysis to confirm particle size isn't 'coarse' per related notes, avoiding confusion with iron ore stats
• Secure export permits from source countries like China or Bolivia
• Test for hazardous impurities like arsenic
Related Products under HTS 2611.00.30.00
Wolframite Ore
Wolframite is a primary tungsten-bearing ore mineral, typically containing 60-75% WO3, mined from hydrothermal veins. It falls under HTS 2611.00.30.00 as a tungsten ore used directly for concentrate production without significant processing. The assay quantity of metal content is reported without deductions per statistical notes.
Scheelite Ore
Scheelite ore consists of calcium tungstate (CaWO4) crystals from skarn or vein deposits, averaging 1-5% WO3 in raw form. Classified under HTS 2611.00.30.00 as unprocessed tungsten ore for milling into concentrates. Statistical notes require reporting pure metal content via assay.
Hübnerite Tungsten Ore
Hübnerite is a manganese-rich wolframite variety (MnWO4) extracted from pegmatites, serving as tungsten ore. Falls under HTS 2611.00.30.00 for unbeneficiated ores; statistical reporting focuses on tungsten assay.
Low-Grade Tungsten Skarn Ore
Skarn deposit ore containing scheelite disseminated in limestone, typically 0.5-2% WO3, mined via open pit. HTS 2611.00.30.00 applies to this raw tungsten ore before crushing/milling. Assay-based metal content reporting required.
Vein Wolframite Ore
High-grade wolframite from quartz veins in granite, 5-10% WO3, underground mined. Classified as tungsten ores under HTS 2611.00.30.00 in raw, uncrushed state. Statistical notes dictate undeducted metal reporting.
Alluvial Tungsten Ore
Placer deposit gravel containing wolframite grains, 0.1-1% WO3, dredged from rivers. HTS 2611.00.30.00 for raw alluvial tungsten ores pre-gravity separation. Report WO3 via fire assay.