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HSChapter 25
U.S. imports of quartzite (HS 250620) totaled $1.6M in April 2026, traded with 9 countries.
Importers of Quartzite paid $19K in duties in April 2026 — an effective duty rate of 13% on $144K in dutiable value, based on actual customs collections rather than the published tariff schedule. Quartzite imports of $1.6M in April 2026 ran 34% above the year-to-date monthly average of $1.2M.
Last updated: April 2026 dataA metamorphic rock formed from sandstone under heat and pressure, quartzite enters US trade in two forms: crude or roughly trimmed (2506200010) and further processed material (2506200080), with the processing state determining classification. Canada is the primary supplier, with Brazil, Italy, Vietnam, and India also contributing — a supplier mix that reflects both proximity and the global dimension stone and construction aggregate trades. Quartzite's hardness and weather resistance make it a preferred material for flooring, cladding, road base, and railroad ballast.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
CBP guidance generally treats quartzite as 'crude or roughly trimmed' when it has been extracted and broken or split to manageable size without further shaping. Once it has been sawn, cut to specific dimensions, or surface-finished beyond rough trimming, it typically moves to the NESOI line (2506200080) — or potentially out of heading 2506 entirely into Chapter 68 if it constitutes worked stone.
Quartz (heading 2506.10) refers to the mineral in its crystalline or granular form, while quartzite (heading 2506.20) is a distinct rock type — a metamorphosed sandstone in which quartz grains have recrystallized into an interlocking mosaic. The structural character of the material, not just its silica content, determines which subheading applies.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $1.4M | $98K | -$1.3M |
| VIETNAM | $75K | -- | -$75K |
| BRAZIL | $50K | -- | -$50K |
| CHINA | $19K | -- | -$19K |
| TRINIDAD AND TOBAGO | -- | -- | -- |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2506200080 | QUARTZITE, NESOI | $1.5M | 13.66% | $7K |
| 2506200010 | QUARTZITE, CRUDE OR ROUGHLY TRIMMED | $94K | 13.02% | $12K |
QUARTZITE, NESOI
QUARTZITE, CRUDE OR ROUGHLY TRIMMED
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2506200080 | QUARTZITE, NESOI | $98K |
| 2506200010 | QUARTZITE, CRUDE OR ROUGHLY TRIMMED | $0 |
QUARTZITE, NESOI
118 t
QUARTZITE, CRUDE OR ROUGHLY TRIMMED
PORTLAND CEMENT EXCEPT WHITE PORTLAND CEMENT
HS 252329
SULFUR OF ALL KINDS, NOT SUBLIMED,PRECIP,COLLOIDAL
HS 250300
SALT INCL TBL/DENTRD, PURE SODM CHLOR ETC; SEA WTR
HS 250100
UNGRND NAT CAL PHSPH, ALUM CAL PHOS A PHOS CHALK
HS 251010
FLUORSPAR OV 97% OF CALCIUM FLUORD BY WGHT
HS 252922
PEBBLES, GRAVEL ETC. FOR CONCRETE AGGREGATES ETC.
HS 251710
| Port | Imports | Exports | Balance |
|---|---|---|---|
| DETROIT, MI | $792K | -- | -$792K |
| PORT HURON, MI | $649K | $3K | -$646K |
| MIAMI, FL | $75K | -- | -$75K |