High confidence based on the distinct dark brown heartwood, lighter sapwood band visible on the edge, coarse texture, and characteristic growth ring patterns typical of North American walnut confidence

Black Walnut

Juglans nigra · Hardwood

Type: Hardwood
Origin: Eastern North America
Hardness: 1010 lbf (Medium)
Durability: Very Durable (rated as very resistant to heartwood decay and moderate resistance to insect attack)

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Grain Pattern

Straight to irregular grain with a coarse, uneven texture and prominent growth rings visible on the freshly cut face

Color & Appearance

Rich dark brown heartwood with lighter pale yellowish-grey sapwood, showing moderate natural luster; darkens slightly upon exposure to UV light over time

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Very Durable (rated as very resistant to heartwood decay and moderate resistance to insect attack)

Value & Sustainability

Estimated Market Value: 8.00 to 15.00 USD per board foot depending on width and grade
Wood Age Estimate: Recently harvested green or air-dried log section, estimated under 5 years since being milled from the tree
Sustainability Status: Least Concern (IUCN), widely distributed, not listed on CITES appendices, readily available from managed North American forests

Common Uses

Fine furniture, cabinetry, architectural millwork, gunstocks, veneer, carving, and musical instrument parts

Geographic Origin

Eastern North America

Workability

Excellent workability with both hand and machine tools; glues, stains, and finishes exceptionally well, though occasional grain tearout can occur on figured pieces