Basalt Grindstone
Volcanic basalt grindstone for heavy-duty grain milling and tool grinding in traditional setups. HTS 6804.23.00.00 covers such natural stone grindstones without frameworks, valued for basalt's toughness.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for building construction
Worked basalt for architecture under 6802 per chapter note.
If assembled into complete mill machinery
Machines with integral stones classify in Chapter 84.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Geological assay required to confirm natural basalt, avoiding artificial abrasive confusion
• Declare as 'grindstone' not 'building stone' to prevent 6802 shift
Related Products under HTS 6804.23.00.00
Soapstone Burnishing Stone
Steatite (soapstone) block for burnishing pottery and leather edges, providing a smooth finish in craft applications. Classified in HTS 6804.23.00.00 for polishing/trueing stones of natural stone, as steatite qualifies per chapter provisions. Its softness makes it ideal for delicate surface work.
Limestone Cutting Stone
Natural limestone whetstone for cutting and shaping soft metals or stone in sculpting. Falls under HTS 6804.23.00.00 as a cutting stone of natural stone, worked beyond raw form per chapter notes. Used by masons for precise edge work.
Arkansas Novaculite Sharpening Stone
Premium natural novaculite (Arkansas stone) for ultra-fine edge sharpening of surgical tools and razors. Under HTS 6804.23.00.00 as a hand sharpening stone, renowned for its silica content and translucency.
Slate Honing Stone
Natural slate stone for honing and lapping flat surfaces in metalworking. Excluded from 6802 slate per chapter note; HTS 6804.23.00.00 for abrasive uses.
Dolomite Polishing Block
Natural dolomite block for polishing glass and gems, per chapter inclusion of dolomite as worked stone. HTS 6804.23.00.00 for polishing applications.
Travertine Whetstone
Porous natural travertine whetstone for wet sharpening of tools. HTS 6804.23.00.00 as natural stone sharpener.