SITCSection 2

Feldspar; Leucite, Nepheline & Nepheline Syenite

Name: Feldspar; Leucite, Nepheline & Nepheline Syenite (SITC 27853) -- U.S. Import Data
Creator: U.S. Census Bureau
License: https://www.census.gov/about/policies/open-gov/open-data.html

SITC 27853Basic heading5-digit

U.S. imports · July 2026: $9.1M; YTD $65.0M

U.S. exports · July 2026: $448K

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Balance · July 2026: Loading the trade balance

U.S. imports of feldspar; leucite, nepheline & nepheline syenite (SITC 27853) totaled $9.1M in July 2026, traded with 10 countries.

Importers of Feldspar; Leucite, Nepheline & Nepheline Syenite paid $27K in duties in July 2026 — an effective duty rate of 10% on $274K in dutiable value, based on actual customs collections rather than the published tariff schedule.

Last updated: July 2026 data

Feldspar and its alumino-silicate relatives — leucite, nepheline, and nepheline syenite — function as fluxing agents that lower firing temperatures in ceramic bodies, glass batches, and sanitaryware glazes. Nepheline syenite is commercially favored as a lower-iron alternative to conventional feldspar in glass and tile applications where color clarity matters. Importers should verify mineralogical composition certificates, as the boundary between feldspar grades and nepheline syenite affects both classification and downstream processing specifications.

AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.

1.1K shipments/mo

12-month trend

ImportsExports

Imports

$9.1MYoY · Pro

Exports

$448KYoY · Pro

12-mo low · imports

YoY · Pro

$10.1M$0

June 2025December 2025July 2026

Through July 2026. Source: U.S. Census Bureau.

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Basic heading 64 of 239 in section 2

Share of section 2 imports0.24%

Basic heading 27853 · $9.1M of $3.8B

Where it comes from, where it lands, what it pays

Imports · July 2026

Countries

origin

Canada and Turkey together supply 97% of it.

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Districts

customs district

Census does not publish district detail for this classification system.

States

destination

Census does not publish state detail for this classification system.

Ports

entry

Census does not publish port detail for this classification system.

Frequently Asked Questions

Why do glass and ceramics manufacturers sometimes prefer nepheline syenite over standard feldspar?

Nepheline syenite has a lower iron content and a different alumina-to-silica ratio than most feldspars, which reduces discoloration in glass and white ceramic bodies. It also melts at a lower temperature, offering energy savings during kiln firing.

What documentation helps confirm correct classification between feldspar and nepheline syenite at entry?

A mineralogical analysis certificate or X-ray diffraction report identifying the dominant mineral phase is the most reliable supporting document. Customs may request this to distinguish nepheline syenite (a nepheline-dominant rock) from feldspar-dominant materials, as the two can appear similar in bulk form.