Black Walnut — Juglans nigra
Medium. While the grain and color are classic for Black Walnut furniture of this era, the dark stain and aged finish can mask subtle characteristics of similar woods like stained Cherry or Mahogany. confidence

Black Walnut

Juglans nigra · Hardwood

Type
Hardwood
Origin
Native to Eastern North America (USA and Canada).
Hardness
1,010 lbf (Medium Hardness)
Durability
Durable to Very Durable regarding decay resistance; highly resistant to rot, though susceptible to insect attack (beetles).

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Grain Pattern

Generally straight grain on the flat surfaces shown, with slight cathedral patterns and a diffuse-porous texture. No significant figure like bird's eye or curl is visible in this specific sample.

Color & Appearance

Heartwood is typically a rich chocolate brown, though this specific piece shows a aged dark reddish-brown due to a likely shellac or lacquer finish. The sapwood is naturally creamy white but is not visible here due to staining and age.

Hardness (Janka)

1,010 lbf (Medium Hardness)

Durability & Decay Resistance

Durable to Very Durable regarding decay resistance; highly resistant to rot, though susceptible to insect attack (beetles).

Value & Sustainability

Estimated Market Value
$10.00 - $15.00 per board foot for select grade lumbers.
Wood Age Estimate
40 to 70 years. The construction style of the secretary desk and the specific wear patterns (visible ring marks and oxidation) suggest a mid-20th-century vintage.
Sustainability Status
Not listed on CITES Appendices or the IUCN Red List of Threatened Species; widely available and generally considered sustainable in North America.

Common Uses

High-end furniture, cabinetry, veneer, interior paneling, gunstocks, and turned objects.

Geographic Origin

Native to Eastern North America (USA and Canada).

Workability

Excellent workability with both hand and machine tools. It planes smoothly, glues well, and takes a finish beautifully. It can produce a mild, distinct odor when being worked.

Finish Recommendations

Oil-based finishes (like Tung or Linseed oil) to enhance depth, or a classic high-quality lacquer. For this specific antique piece, a French polish (shellac) or a high-quality furniture wax is recommended for restoration.

Notable Features

Features a distinctive, pleasant faint scent when cut. Known for its exceptional dimensional stability and high strength-to-weight ratio.

Learn more about Black Walnut in the Wood Encyclopedia
Identified July 21, 2026