U.S. exports of Mineral Substances Not Elsewhere Specified (HS 253090) totaled $14.3M in August 2026.
Importers of Mineral Substances Not Elsewhere Specified paid $71K in duties in August 2026, an average duty rate of 0.97% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Mineral Substances Not Elsewhere Specified imports of $7.3M in August 2026 ran 15% below the year-to-date monthly average of $8.6M.
Last updated: August 2026 dataA catch-all heading for naturally occurring mineral substances that do not fit more specific HS chapters, covering commercially distinct materials such as natural cryolite (2530901000), natural chiolite, natural micaceous iron oxides (2530902000), celestite (2530908010), earth colors (2530908015), and residual mineral substances (2530908050, 2530908060). Celestite is the primary commercial source of strontium compounds, while natural micaceous iron oxides are valued as corrosion-resistant pigment inputs. Canada and Mexico are the leading suppliers to the US market, with Japan, Thailand, and Germany also contributing across the diverse product mix within this heading. Correct classification within the six US tariff lines depends on precise mineral identification, as each line carries distinct duty treatment.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
557 import shipments a month
Classification depends on the specific mineral identity of the product. Named minerals such as celestite (2530908010) or natural micaceous iron oxides (2530902000) must be classified in their dedicated lines; only truly unspecified mineral substances fall into the residual lines 2530908050 or 2530908060. A licensed customs broker and, where needed, a CBP binding ruling can resolve ambiguous cases.
Celestite (strontianite) is a naturally occurring strontium sulfate mineral classified at 2530908010. It is the principal raw material for strontium carbonate and strontium nitrate used in pyrotechnics, electronics, and specialty glass. Importers should distinguish it from processed strontium compounds, which fall under different HS chapters and carry separate duty treatment.
Subheading 1 of 3 in heading 2530
Subheading 253090 · $14.3M of $15.0M
ImportsExports
Imports
$7.3MYoY · free account
Exports
$14.3MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $89.7M of Mineral Substances Not Elsewhere Specified and exported $141.0M.
Through August 2026. Source: U.S. Census Bureau.
Trade Directory
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2530908050 | Mineral Substances NESOI | $6.3M | 0.99% | 9.10% | $63K |
| 2530901000 | Natural Cryolite; Natural Chiolite | $682K | 0.00% | 0.00% | -- |
| 2530902000 | Natural Micaceous Iron Oxides | $210K | 3.89% | 100.00% | $8K |
| 2530908015 | Earth Colors | $58K | 0.00% | 0.00% | -- |
| 2530908010 | Celestite | $28K | 0.00% | 0.00% | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2530908060 | Mineral Substances NESOI | $14.1M |
| 2530901000 | Natural Cryolite; Natural Chiolite | $180K |
| 2530902000 | Natural Micaceous Iron Oxides | $4K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Exports · August 2026
destination
Netherlands and Japan together take 49% of it.
customs district
origin
entry
rate provision · imports
89.2% enters free of duty; duty collected equals 0.97% of imports for consumption.