American Black Walnut (or potentially Asian Walnut/Acacia given flooring market trends, but visually consistent with Black Walnut) — Juglans nigra
Medium-High. Visual patterns, color variation, growth rings, and knots align strongly with character-grade Black Walnut flooring. confidence

American Black Walnut (or potentially Asian Walnut/Acacia given flooring market trends, but visually consistent with Black Walnut)

Juglans nigra · Hardwood

Type
Hardwood
Origin
Eastern North America
Hardness
1,010 lbf (Medium)
Durability
Durable (Good decay resistance, though sapwood is susceptible to insect attack)

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Grain Pattern

Generally straight to irregular grain with cathedral patterns from flat-sawing, featuring occasional knots and natural character marks.

Color & Appearance

Rich dark brown to lighter pale yellowish-brown sapwood, displaying notable color variation typical of character-grade flooring, with medium natural luster.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Durable (Good decay resistance, though sapwood is susceptible to insect attack)

Value & Sustainability

Estimated Market Value
$8.00 to $15.00+ per board foot for lumber; higher for finished flooring.
Wood Age Estimate
Estimated 5 to 15 years old (modern pre-finished or site-finished residential flooring with light surface wear).
Sustainability Status
Least Concern (IUCN), widely available, not listed on CITES appendices.

Common Uses

Flooring, fine furniture, cabinetry, architectural millwork, and gunstocks.

Geographic Origin

Eastern North America

Workability

Exceptional workability; easy to hand and machine tool, glues, stains, and finishes very well.

Finish Recommendations

Accepts a wide range of finishes including polyurethane, oils, and lacquers exceptionally well.

Notable Features

Prized for its rich, dark color and shock resistance. Contains moderate amounts of natural oils.

Notes

Solarium 5

Learn more about American Black Walnut (or potentially Asian Walnut/Acacia given flooring market trends, but visually consistent with Black Walnut) in the Wood Encyclopedia
Identified August 4, 2026