Leucite Ore Concentrate
Concentrated leucite (potassium aluminosilicate) ore extracted from volcanic deposits, used in specialty ceramics and as a potassium source in fertilizers. Classified under HTS 2529.30.00 as crude or beneficiated leucite, not chemically altered. Its high potash content makes it valuable for glass batch formulations.
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 ground and sold specifically as potash fertilizer
End-use as potassium fertilizer reclassifies under Chapter 31 potassic fertilizers.
If feldspar content exceeds leucite in mixed ore
Dominant feldspar component controls classification per relative specificity.
If pebbles, gravel, or crushed aggregate form for construction
Chapter Note prioritizes 2517 for pebbles/gravel over specific minerals.
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Import Tips & Compliance
• Provide XRF chemical analysis confirming leucite composition (>50% KAlSi2O6) to prevent confusion with nepheline
• Declare radioactivity levels if from volcanic sources; comply with USGS import guidelines for strategic minerals
• Avoid packaging that suggests processing; use 'crude ore' labeling to maintain 2529 classification
Related Products under HTS 2529.30.00
Nepheline Syenite Powder
Finely ground nepheline syenite used primarily as a fluxing agent in ceramic and glass manufacturing to lower melting temperatures. This natural aluminosilicate mineral falls under HTS 2529.30.00 as unprocessed nepheline syenite in powdered form, distinct from synthetic materials. It provides silica, alumina, and alkalis essential for glaze and body formulations.
Nepheline Syenite Lumps
Coarse lumps of nepheline syenite rock, typically 2-10 cm, mined for crushing into flux material for porcelain and tile production. Falls under HTS 2529.30.00 as unworked nepheline syenite, suitable for direct industrial processing. Low iron content ensures clean burning in white ceramics.
Feldspar-Nepheline Syenite Blend
Natural blend of nepheline syenite and feldspar (30-70% nepheline content) used in sanitaryware and electrical porcelain production. Classified under HTS 2529.30.00 due to dominant nepheline syenite characteristics and flux properties. Provides balanced vitrification for high-strength ceramics.
Leucite Crystals for Research
Hand-selected leucite crystals from volcanic deposits, used in geological research and as reference standards in mineralogy labs. HTS 2529.30.00 covers these unworked natural leucite specimens under 2.5g each. Ideal for X-ray diffraction analysis due to perfect cubic habit.
Micronized Nepheline Syenite Filler
Ultra-fine (<10 micron) nepheline syenite powder used as functional filler in paints, coatings, and plastics for matting and reinforcement. Still classified under HTS 2529.30.00 as physically processed (ground) but chemically unchanged mineral. Inert, low oil absorption enhances coating performance.
Nepheline Syenite for Glass Batch
Coarse-ground nepheline syenite specifically graded for container glass and flat glass production as primary source of alkalis and alumina. HTS 2529.30.00 applies to this industrial mineral flux before batch mixing. Reduces soda ash usage while maintaining glass durability.