Black Walnut (with significant figure)
Juglans nigra · Hardwood
- Type
- Hardwood
- Origin
- Central and Eastern United States
- Hardness
- 1,010 lbf (Medium)
- Durability
- Very Durable; highly resistant to heartwood decay but susceptible to insect attack (sapwood is non-durable)
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Grain Pattern
Highly irregular with prominent burl figures, swirls, and crotch figure; exhibits wavy wood fibers and tight circling grain around knots
Color & Appearance
Rich dark brown heartwood with hints of purple and gold; pale creamy-white sapwood visible on edges. High natural luster and chatoyancy in figured sections. Darkens slightly then mellows with age.
Hardness (Janka)
1,010 lbf (Medium)
Durability & Decay Resistance
Very Durable; highly resistant to heartwood decay but susceptible to insect attack (sapwood is non-durable)
Value & Sustainability
- Estimated Market Value
- $15.00 - $30.00 per board foot for highly figured/burl Grade A material
- Wood Age Estimate
- Freshly turned green or semi-dry wood; the lack of deep oxidation suggests it was recently harvested/cut
- Sustainability Status
- Least Concern (IUCN); widely available and not CITES listed, though slow-growing
Common Uses
High-end furniture, cabinetry, woodturning (bowls), gunstocks, veneer, and musical instruments
Geographic Origin
Central and Eastern United States
Workability
Generally excellent with hand and machine tools, though figured areas like this are prone to tearout and require very sharp tools and light cuts
Finish Recommendations
Oil-based finishes (Tung oil or Danish oil) to pop the figure, followed by shellac or high-quality wax for a natural feel
Notable Features
Distinctive mild spicy scent when worked; contains juglone which can be an irritant; excellent dimensional stability once dried
