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HSChapter 71
U.S. imports of dust and powder of natural or synthetic precious/semiprecious stones (except diamond) (HS 710590) totaled $28K in April 2026, traded with 5 countries.
Dust and Powder of Natural or Synthetic Precious/Semiprecious Stones (Except Diamond) imports of $28K in April 2026 ran 34% below the year-to-date monthly average of $42K.
Last updated: April 2026 dataAbrasive and functional powders derived from non-diamond precious and semiprecious stones — both natural and synthetic — are classified under the single tariff line 7105900000. Materials in this category include corundum (ruby/sapphire) powder, garnet abrasive, and similar stone-derived powders used in lapping, polishing, and waterjet cutting applications. Ireland and Austria lead US supply under this heading, a pattern that reflects European specialty abrasive and optical-component manufacturing rather than gem-trade flows.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Natural garnet used as an abrasive is generally classified under Chapter 25 (specifically heading 2513) as a natural abrasive, not under Chapter 71. Heading 7105.90 covers dust and powder derived from precious or semiprecious stones — a category that applies when the source material qualifies as a precious or semiprecious stone under Chapter 71 notes. Importers should confirm whether their specific garnet product meets that threshold or is more appropriately classified as a mineral abrasive.
Key end uses include precision optical polishing (corundum and synthetic sapphire powder for lens and wafer finishing), specialty lapping compounds for hard-material machining, and certain ceramic and refractory applications. The relatively concentrated supply from Ireland and Austria reflects the presence of specialty abrasive and optical-component manufacturers in those countries serving high-precision industrial customers.
Monthly import values over time
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| GERMANY | $15K | -- | -$15K |
| UNITED KINGDOM | $13K | -- | -$13K |
| BELGIUM | -- | $11K | +$11K |
| MEXICO | -- | $9K | +$9K |
| CANADA | -- | $5K | +$5K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 7105900000 | DUST A PWDER OF NAT OR SYN STONES, NESOI | $28K | 10.00% | $3K |
DUST A PWDER OF NAT OR SYN STONES, NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7105900000 | DUST A PWDER OF NAT OR SYN STONES, NESOI | $30K |
DUST A PWDER OF NAT OR SYN STONES, NESOI
474 kg
GOLD, NONMONETARY, UNWROUGHT NESOI
HS 710812
SILVER, UNWROUGHT NESOI
HS 710691
JEWELRY AND PARTS THEREOF, OF OTH PRECIOUS METAL
HS 711319
OTH PREC METL ARTCLS OR ARTCLS CLAD W PM, NESOI
HS 711590
RHODIUM, UNWROUGHT OR IN POWDER FORM
HS 711031
DIAMONDS, NONINDUSTRIAL, WORKED
HS 710239
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEW ORLEANS, LA | $15K | $5K | -$10K |
| MIAMI INTERNATIONAL AIRPORT, FL | $13K | -- | -$13K |
| HILDAGO, TX | -- | $9K | +$9K |