Black Walnut (most likely; possibly Claro walnut)
Juglans nigra (alternative: Juglans hindsii) · Hardwood; temperate North American
AI-generated identification · may be incorrect- Type
- Hardwood; temperate North American
- Origin
- Eastern and central North America; Claro walnut is native to California and Oregon.
- Hardness
- 1,010 lbf Janka — Medium.
- Durability
- Moderately durable; heartwood has useful decay resistance, while sapwood is more vulnerable to insects and moisture damage.
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Grain Pattern
Bowl-turned, curved grain with pronounced cathedral and swirling figure from crotch or branch growth; likely face-grain turning rather than straight-sawn lumber.
Color & Appearance
Warm chocolate-brown heartwood with lighter gray-brown streaks and pale sapwood; good natural luster, typically mellowing toward golden brown with light exposure.
Hardness (Janka)
1,010 lbf Janka — Medium.
Durability & Decay Resistance
Moderately durable; heartwood has useful decay resistance, while sapwood is more vulnerable to insects and moisture damage.
Value & Age
About $8–$20 per board foot for quality walnut; a finished artisan bowl may retail for roughly $50–$200+.
AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.
- Wood Age Estimate
- The bowl’s age cannot be reliably determined visually; apparent surface wear suggests use, but not necessarily substantial age.
Common Uses
Furniture, bowls and turnings, cabinetry, veneer, gunstocks, flooring, and decorative objects.
Geographic Origin
Eastern and central North America; Claro walnut is native to California and Oregon.
Workability
Generally machines, turns, sands, glues, and finishes well; swirling grain can cause localized tear-out, requiring sharp tools and light cuts.
Finish Recommendations
Apply a penetrating oil or hardwax oil, or seal with shellac followed by lacquer or polyurethane; sand progressively and seal end grain evenly.
Notable Features
Distinctive dark color, attractive swirling figure, moderate weight, and excellent turning qualities.
