Most likely American black walnut; alternatives include European walnut or dark-stained oak. — Juglans nigra

Most likely American black walnut; alternatives include European walnut or dark-stained oak.

Juglans nigra · Hardwood

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

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Grain Pattern

Mostly straight to gently irregular grain with subtle cathedral pattern and small swirling figure; appears flat-sawn and smoothly finished.

Color & Appearance

Chocolate-brown heartwood with lighter brown streaks and possibly pale sapwood at the edges; moderate luster. Walnut commonly lightens or develops warmer amber tones with age and light.

Hardness (Janka)

1,010 lbf Janka — Medium.

Durability & Decay Resistance

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

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
Not reliably determinable from this finished photograph; the surface appears maintained rather than demonstrably antique.

Common Uses

Furniture, cabinetry, architectural paneling, flooring, gunstocks, veneer, turning, and interior trim.

Geographic Origin

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

Workability

Generally machines, sands, glues, and finishes well, though irregular grain can cause localized tearout; predrilling is advisable for fasteners.

Finish Recommendations

Use a clear oil, shellac, lacquer, or satin polyurethane after thorough sanding; avoid aggressive staining unless evening color variation.

Notable Features

Rich color, attractive natural luster, moderate dimensional stability, and occasional swirled or crotch figure.

Learn more about Most likely American black walnut; alternatives include European walnut or dark-stained oak. in the Wood Encyclopedia
Identified September 10, 2026