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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If post-flotation concentration
Scheelite processed via froth flotation to yield scheelite concentrates (>65% WO3) moves to the concentrates subheading.
If low-grade natural borates present
Ore with significant borate gangue resembling natural boric compounds may classify under Chapter 25 for borates rather than tungsten ores.
If mineral substances for chemical manufacture
If used primarily as basis for tungsten chemical compounds without metal extraction, it could fall under other mineral substances.
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Import Tips & Compliance
• Provide XRF or wet chemistry assay reports confirming tungsten content; label shipments clearly as 'raw ore' to distinguish from concentrates
• Watch for moisture content adjustments in weight declarations to avoid duty overpayment
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.
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.
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.