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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If precipitated silica
Non-gem synthetic silica classifies as silicon dioxide chemical.
If prepared pigment grade
Opalescent pigments from synthetic opal fall under Chapter 32.
If worked into cabochons
Finished articles of synthetic stones classify under 7116.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Play-of-color demonstration proves gem quality over industrial silica
• Australian import quotas don't apply to synthetic
• Nano-particle handling regs may trigger additional docs
Related Products 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.
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.