Black Walnut
Juglans nigra • Hardwood
Grain Pattern
Straight grain observed in this section with hints of wavy figure and a subtle curly or chatoyant ripple in the lower right quadrant; medium texture with large pores.
Color Description
Heartwood is a rich, dark coffee-brown with cooler greyish-purple undertones; sapwood is not clearly visible but would be creamy white. Naturally high luster that lightens to a more amber-gold hue over time with UV exposure.
Hardness Rating
1,010 lbf (Medium)
Durability Rating
Durable to Very Durable; highly resistant to heartwood decay, though susceptible to insect attack (especially the sapwood).
Common Uses
High-end furniture, cabinetry, veneer, gunstocks, interior paneling, turning, and musical instruments.
Geographic Origin
Native to Eastern North America and the Central United States.
Market Value & Sustainability
Estimated Market Value
Ranges from $12.00 to $18.00 per board foot depending on thickness and width; higher for figured slabs.
Wood Age Estimate
The sample appears to be freshly or recently rough-sawn (less than 1-2 years since milling) based on the bright sawdust, fresh check/crack, and lack of deep surface oxidation or grime.
Sustainability Status
Not CITES listed; classified as Least Concern by IUCN. Widely available and managed through FSC-certified sources.
Workability
Generally easy to work with both hand and machine tools; planes and sands exceptionally well. Known for holding glue and finishes better than many other hardwoods.
Notable Features
Distinctive mild, spicy scent when worked. High tannin content can cause blue-black staining if in contact with iron and moisture. Fine dust can be a mild irritant/allergen.
Finish Recommendations
Penetrating oils (Tongue or Linseed) and wax are best to highlight natural chatoyance; satin polyurethane or shellac for more durability. Avoid heavy stains that mask the natural variation.
Identification Confidence
High; the deep chocolate-brown heartwood color, pore structure visible in the rough-cut surface, and characteristic checking patterns are definitive for Black Walnut.