Other
Dust and powder of natural or synthetic precious or semi- precious stones: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 7105.90.00.00
Tourmaline Abrasive Powder
Natural tourmaline dust for specialty polishing of hardened steels and ceramics. HTS 7105.90.00.00 covers other natural semi-precious stone powders.
Synthetic Opal Powder
Lab-created silica-based opal powder for iridescent coatings and polishing. Classified under 7105.90.00.00 as synthetic semi-precious stone powder.
Peridot Dust
Natural olivine (peridot) powder for olivine sandblasting alternatives. Meets 7105.90.00.00 for natural semi-precious stone dust.
Aquamarine Grinding Powder
Natural beryl (aquamarine) powder for high-end lapidary and optics work. HTS 7105.90.00.00 for other natural semi-precious stone powders.
YAG Laser Powder
Yttrium aluminum garnet (YAG) synthetic powder precursor for laser crystals. Classified under 7105.90.00.00 as synthetic precious stone powder for optical applications.
Synthetic Diamond Powder
Fine synthetic diamond powder where 90% or more passes through a 0.5 mm sieve, used for industrial grinding and polishing applications. Classified under HTS 7105.90.00.00 as powder of synthetic precious stones (diamonds). Meets subheading note definition for 'powder form'.
Sapphire Polishing Powder
High-purity synthetic sapphire (corundum) powder for semiconductor wafer polishing, meeting 0.5mm sieve standard. HTS 7105.90.00.00 covers synthetic semi-precious stone powders other than diamonds.
Topaz Abrasive Dust
Natural topaz dust finely ground for abrasive applications in glass and metal polishing. Meets HTS 7105.90.00.00 criteria for other natural semi-precious stone powders.
Moissanite Micron Powder
Synthetic moissanite (silicon carbide gem) powder for advanced polishing compounds. Classifies under 7105.90.00.00 as synthetic precious stone powder meeting powder form definition.
Garnet Lapping Powder
Natural almandine garnet powder for precision lapping of optical components. HTS 7105.90.00.00 for other natural semi-precious stone dust meeting sieve requirements.
Alexandrite Powder
Rare synthetic alexandrite (chrysoberyl) powder for color-change effect research and polishing. Falls under HTS 7105.90.00.00 as other synthetic semi-precious stone powder.
Spinel Polishing Grit
Synthetic spinel powder used in military optics and satellite lens polishing. Classifies in 7105.90.00.00 as other synthetic semi-precious stone powder.
Natural Ruby Dust
Ultrafine dust from natural rubies, with 90%+ passing 0.5mm mesh, used in precision lapping and optical polishing. Falls under HTS 7105.90.00.00 as 'other' dust/powder of natural semi-precious stones.
Emerald Grinding Powder
Fine powder from natural or synthetic emeralds for gemstone faceting and precision grinding. Classified in 7105.90.00.00 as other dust/powder meeting the 90% sieve passage requirement.
Synthetic Cubic Zirconia Powder
Synthetic cubic zirconia (ZrO2) micronized to powder form for use in jewelry manufacturing and coatings. HTS 7105.90.00.00 applies to synthetic semi-precious stone simulants in dust form.