High, based on the distinctive transition from the creamy white sapwood to the rich brown heartwood, characteristic medium texture, and grain patterns typical of North American Black Walnut. confidence

Black Walnut

Juglans nigra · Hardwood

Type: Hardwood
Origin: Eastern North America
Hardness: 1010 lbf (Medium)
Durability: Moderately durable; rated as durable to very durable regarding heartwood decay, with moderate resistance to insect attack.

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Grain Pattern

Straight to slightly irregular grain with a medium texture and natural luster, showing a flat-sawn appearance along the face.

Color & Appearance

Heartwood ranges from a lighter pale brown to a rich dark chocolate brown, sometimes with purplish or dark streaks; sapwood is a creamy white, creating a distinct contrast visible on the left edge.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Moderately durable; rated as durable to very durable regarding heartwood decay, with moderate resistance to insect attack.

Value & Sustainability

Estimated Market Value: 8.00 to 15.00 USD per board foot depending on width, grade, and figure.
Wood Age Estimate: Recently milled or harvested within the last few years, showing fresh surfaces with minimal oxidation patina.
Sustainability Status: Not listed on CITES appendices, of least concern on the IUCN Red List, widely available domestically in North America.

Common Uses

Fine furniture, cabinetry, architectural millwork, interior paneling, gunstocks, and specialty turning items.

Geographic Origin

Eastern North America

Workability

Exceptional workability with both hand and machine tools. Glues, stains, and finishes very well, though care is needed to avoid tearout on irregular grain.