Most likely black walnut, possibly another walnut species. — Juglans nigra (if black walnut); visual identification is not definitive.

Most likely black walnut, possibly another walnut species.

Juglans nigra (if black walnut); visual identification is not definitive. · Hardwood; the slab appears to be a natural-edge, live-edge piece.

AI-generated identification · may be incorrect
Type
Hardwood; the slab appears to be a natural-edge, live-edge piece.
Origin
Black walnut is native to eastern and central North America.
Hardness
1,010 lbf — Medium (black walnut).
Durability
Moderately Durable; heartwood has some decay resistance, but is not notably weather- or insect-proof.

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Grain Pattern

Broad, irregular grain with wavy figure and knots; likely flat-sawn, with natural checks and voids. No clear end grain is visible.

Color & Appearance

Mottled medium-to-dark brown heartwood with lighter brown streaks; walnut often darkens with age and light exposure, though finish and lighting affect appearance.

Hardness (Janka)

1,010 lbf — Medium (black walnut).

Durability & Decay Resistance

Moderately Durable; heartwood has some decay resistance, but is not notably weather- or insect-proof.

Value & Age

Estimated Market ValueNot an official valuation

Roughly US$10–30 per board foot for typical kiln-dried walnut; figured or live-edge slabs may sell for more, depending on size and condition.

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 estimate the tree’s age from this image; the slab’s patina and wear do not establish its age.

Common Uses

Furniture, tables, cabinetry, veneer, turning, and decorative slabs.

Geographic Origin

Black walnut is native to eastern and central North America.

Workability

Generally machines, sands, and glues well; figured grain can tear out, and knots or checks require careful handling.

Finish Recommendations

Sand evenly and use oil, hardwax oil, or clear varnish/polyurethane; seal checks as desired and test finish on an inconspicuous area.

Notable Features

Attractive brown color, pronounced natural-edge character, and a dark knot/check; walnut typically has a mild, distinctive scent when freshly cut.

Learn more about Most likely black walnut, possibly another walnut species. in the Wood Encyclopedia
Identified September 25, 2026