Garnet Lapping Powder
Natural almandine garnet powder, used for precision lapping of optical components, is classified under tariff item 7105.90.00. This item covers 'other' dust and powder of natural semi-precious stones, provided the powder meets the sieve requirement.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the garnet is imported as cut or otherwise worked stones, not powder.
Worked natural stones are classified under heading 71.03, not as dust or powder.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the garnet powder is natural and not synthetic, as this affects the tariff item
• Ensure the powder passes the 0.5 mm sieve test for 90% of its weight
• Keep documentation of the garnet's source and processing for CBSA inspection
Related Products under Tariff item 7105.90.00
Alexandrite Powder
Synthetic alexandrite (chrysoberyl) powder, a semi-precious stone powder, is used for research into color-change effects and as an abrasive in polishing. It is classified under tariff item 7105.90.00 as 'other' dust and powder of synthetic precious or semi-precious stones, excluding diamonds.
Aquamarine Grinding Powder
Natural beryl (aquamarine) powder, a semi-precious stone powder, is used for high-end lapidary work and optical applications. It falls under tariff item 7105.90.00 as 'other' dust and powder of natural precious or semi-precious stones.
Emerald Grinding Powder
Fine powder from natural or synthetic emeralds, used for gemstone faceting and precision grinding, is classified under tariff item 7105.90.00. This item covers 'other' dust and powder of precious or semi-precious stones, excluding diamond powder.
Moissanite Micron Powder
Synthetic moissanite (silicon carbide gem) powder, used in advanced polishing compounds, is classified under tariff item 7105.90.00. This item covers 'other' dust and powder of synthetic precious or semi-precious stones, excluding diamond.
Natural Ruby Dust
Ultrafine dust from natural rubies, with 90% or more passing through a 0.5 mm mesh, is used in precision lapping and optical polishing. It is classified under tariff item 7105.90.00 as 'other' dust and powder of natural precious stones.
Peridot Dust
Natural olivine (peridot) powder, used as an alternative to sandblasting materials, is classified under tariff item 7105.90.00. This item covers 'other' dust and powder of natural semi-precious stones.