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HSChapter 25
U.S. imports of quartz (other than natural sands) (HS 250610) totaled $3.0M in April 2026, traded with 16 countries.
Importers of Quartz (Other Than Natural Sands) paid $309K in duties in April 2026 — an effective duty rate of 12% on $2.7M in dutiable value, based on actual customs collections rather than the published tariff schedule. Quartz (Other Than Natural Sands) imports of $3.0M in April 2026 ran 80% above the year-to-date monthly average of $1.6M.
Last updated: April 2026 dataQuarried or processed quartz in lump, chip, or granular form — distinct from naturally deposited sand — is split at the 10-digit level by iron oxide content, with high-purity material (≥95% silica, <0.6% iron oxide) under 2506100010 and all other forms under 2506100050. Turkey leads US import supply, followed by Canada and Norway, reflecting the geographic concentration of high-grade quartz deposits used in ferrosilicon smelting, silicon metal production, and engineered stone manufacturing. Purity documentation from the exporting mill is routinely required to support the correct 10-digit classification.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Heading 2506.10 covers quartz that occurs as rock or vein material — quarried, crushed, or otherwise processed from solid deposits — rather than naturally deposited sand. If the material was extracted as unconsolidated sand from a natural deposit, it belongs under 2505.10 regardless of its silica purity.
Norway hosts some of the world's highest-purity quartz deposits, particularly in the Rana region, which produce material meeting the stringent specifications required for solar-grade silicon and semiconductor applications. That exceptional purity justifies the logistics cost, making Norwegian quartz competitive for premium end uses even against closer sources.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| FRANCE | -- | $2.6M | +$2.6M |
| TURKEY | $2.1M | -- | -$2.1M |
| NORWAY | -- | $1.7M | +$1.7M |
| KOREA, SOUTH | $113K | $824K | +$711K |
| CHINA | $180K | $395K | +$215K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2506100050 | QUARTZ (OTHER THAN NATURAL SANDS), NESOI | $2.8M | 11.12% | $294K |
| 2506100010 | QRTZ SND,ARTFCL,WT GT= 95%SLCA <=0.6% OXD OF FE | $181K | 35.00% | $16K |
QUARTZ (OTHER THAN NATURAL SANDS), NESOI
QRTZ SND,ARTFCL,WT GT= 95%SLCA <=0.6% OXD OF FE
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2506100000 | QUARTZ (OTHER THAN NATURAL SANDS) | $6.7M |
QUARTZ (OTHER THAN NATURAL SANDS)
15.9K t
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
| State | Imports | Exports | Balance |
|---|---|---|---|
| North Carolina | -- | $5.9M | +$5.9M |
| Minnesota | $1.9M | $25K | -$1.9M |
| Georgia | $359K | $7K | -$352K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| CHARLESTON, SC | -- | $2.7M | +$2.7M |
| ATLANTA, GA | -- | $2.3M | +$2.3M |
| DULUTH, MN - SUPERIOR, WI | $1.8M | -- | -$1.8M |