Most likely Black Walnut; alternatives include Claro Walnut or dark-stained tropical hardwood. — Juglans nigra

Most likely Black Walnut; alternatives include Claro Walnut or dark-stained tropical hardwood.

Juglans nigra · Hardwood; temperate North American species.

AI-generated identification · may be incorrect
Type
Hardwood; temperate North American species.
Origin
Eastern and central North America, especially the United States and southern Canada.
Hardness
1,010 lbf Janka — Medium.
Durability
Moderately durable; heartwood has useful resistance to decay and insects, while sapwood is considerably less resistant.

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Grain Pattern

Mostly straight, fine and moderately open grain, with subtle cathedral-like variation and occasional mild curl; the image shows a smoothly rounded, likely planed face rather than end grain.

Color & Appearance

Medium chocolate-brown to warm brown with darker streaking and subdued luster. Walnut commonly lightens or develops warmer amber tones with age and light exposure.

Hardness (Janka)

1,010 lbf Janka — Medium.

Durability & Decay Resistance

Moderately durable; heartwood has useful resistance to decay and insects, while sapwood is considerably less resistant.

Value & Age

Estimated Market ValueNot an official valuation

Approximately $8–$18 per board foot for clear, kiln-dried walnut; figured or exceptional stock may cost more.

AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.

Wood Age Estimate
Not reliably determinable from this image; the surface appears finished and gently aged, but no definite antique patina is visible.

Common Uses

Fine furniture, cabinetry, flooring, gunstocks, veneers, turned objects, and architectural millwork.

Geographic Origin

Eastern and central North America, especially the United States and southern Canada.

Workability

Generally machines, sands, glues, and finishes well; its moderate hardness can cause occasional tearout and requires sharp cutters.

Finish Recommendations

Use a clear oil, shellac, lacquer, or polyurethane after thorough sanding; a clear finish preserves the brown color, while UV exposure gradually warms it.

Notable Features

Stable, attractive dark heartwood with characteristic walnut streaking and a natural satin luster.

Learn more about Most likely Black Walnut; alternatives include Claro Walnut or dark-stained tropical hardwood. in the Wood Encyclopedia
Identified September 21, 2026