Most likely Black Walnut; alternatives include Claro walnut or a walnut-stained oak. — Juglans nigra

Most likely Black Walnut; alternatives include Claro walnut or a walnut-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 Canada.
Hardness
1,010 lbf Janka — Medium.
Durability
Moderately Durable; heartwood has useful resistance to decay and insects, but exposed weathering will degrade it over time.

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Grain Pattern

Mostly straight to slightly wavy, with prominent open pores and broad cathedral-like figure suggesting plainsawn stock.

Color & Appearance

Muted gray-brown to medium brown heartwood with darker streaking; walnut commonly deepens and warms with age, though this sample appears weathered or finish-worn.

Hardness (Janka)

1,010 lbf Janka — Medium.

Durability & Decay Resistance

Moderately Durable; heartwood has useful resistance to decay and insects, but exposed weathering will degrade it over time.

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
The wood’s age cannot be determined visually; surface wear and oxidation suggest an older finish or used panel, not necessarily old timber.

Common Uses

Furniture, cabinetry, flooring, architectural panels, veneer, gunstocks, carving, and turning.

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 tear out during planing, and sharp cutters are recommended.

Finish Recommendations

Clean and sand carefully, then use dewaxed shellac, lacquer, oil, or polyurethane; a clear finish will restore warmth and contrast.

Notable Features

Distinctive dark streaking, moderate luster, and good dimensional stability; characteristic walnut appearance is partly obscured by surface wear.

Learn more about Most likely Black Walnut; alternatives include Claro walnut or a walnut-stained oak. in the Wood Encyclopedia
Identified September 18, 2026