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

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

Juglans nigra · Hardwood (temperate); not confidently identifiable as exotic from this image alone.

AI-generated identification · may be incorrect
Type
Hardwood (temperate); not confidently identifiable as exotic from this image alone.
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 decay resistance but is not exceptionally weather-resistant, and insect resistance is moderate.

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Grain Pattern

Mostly straight to subtly wavy, with elongated cathedral-like figure and moderate texture; appears flat-sawn or tangentially cut.

Color & Appearance

Warm chocolate-brown heartwood with lighter brown streaking and subdued luster; likely oxidized/darkened with age. Sapwood is not apparent.

Hardness (Janka)

1,010 lbf Janka — Medium.

Durability & Decay Resistance

Moderately Durable; heartwood has useful decay resistance but is not exceptionally weather-resistant, and insect resistance is moderate.

Value & Age

Estimated Market ValueNot an official valuation

Approximately $8–$18 per board foot for ordinary kiln-dried walnut; premium clear or figured stock may exceed $25.

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

Wood Age Estimate
Cannot be reliably dated from a single face photograph; visible darkening may indicate oxidation or finish rather than age.

Common Uses

Furniture, cabinetry, flooring, veneers, gunstocks, turning, and decorative paneling.

Geographic Origin

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

Workability

Generally machines, sands, glues, and finishes well; interlocked areas can cause localized tear-out. Pre-drilling is advisable.

Finish Recommendations

Use a clear oil, shellac, lacquer, or polyurethane; test first because finishes can greatly deepen the brown color.

Notable Features

Distinctive dark brown color, attractive grain contrast, moderate dimensional stability, and good polishability.

Learn more about Most likely Black Walnut; alternatives include Claro Walnut or dark-stained Mahogany. in the Wood Encyclopedia
Identified September 6, 2026