Likely Black Walnut; alternatives include Claro Walnut or a walnut-stained ash/oak. — Juglans nigra (likely)

Likely Black Walnut; alternatives include Claro Walnut or a walnut-stained ash/oak.

Juglans nigra (likely) · Hardwood; domestic North American species.

AI-generated identification · may be incorrect
Type
Hardwood; domestic North American species.
Origin
Eastern and central North America, especially the Midwest and Appalachian regions.
Hardness
1,010 lbf Janka; Medium.
Durability
Moderately durable; reasonable heartwood resistance to decay, but not intended as highly weather-resistant wood. Insect resistance is moderate.

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Grain Pattern

Mostly straight to subtly wavy, with elongated dark streaks and mild cathedral/curly figure; appears flat-sawn or shaped from figured stock.

Color & Appearance

Medium chocolate-brown heartwood with darker brown/black streaking and subdued luster; walnut typically lightens or develops a warmer golden tone with age and light.

Hardness (Janka)

1,010 lbf Janka; Medium.

Durability & Decay Resistance

Moderately durable; reasonable heartwood resistance to decay, but not intended as highly weather-resistant wood. Insect resistance is moderate.

Value & Age

Estimated Market ValueNot an official valuation

Approximately US$8–20 per board foot for clear walnut; figured or specialty stock may exceed this.

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

Wood Age Estimate
The photograph shows a polished, manufactured piece with no reliable patina or wear indicators; age cannot be estimated.

Common Uses

Furniture, cabinetry, gunstocks, flooring, turned work, decorative handles, veneer, and musical-instrument components.

Geographic Origin

Eastern and central North America, especially the Midwest and Appalachian regions.

Workability

Generally machines, sands, glues, and finishes well, though figured areas can tear out and dark dust may obscure layout.

Finish Recommendations

Apply a penetrating oil or wiping varnish for figure, or lacquer/polyurethane for protection; sand evenly and use a washcoat if blotching occurs.

Notable Features

Distinctive dark streaking, attractive chatoyance, moderate weight, and walnut’s characteristic mild earthy odor when freshly worked.

Learn more about Likely Black Walnut; alternatives include Claro Walnut or a walnut-stained ash/oak. in the Wood Encyclopedia
Identified August 31, 2026