
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).
Got a wood sample like this?
Identify any wood from a photo, free.
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.