Most likely spalted burl Claro walnut; alternatives include black walnut or another dark tropical burl.
Juglans hindsii (likely; Juglans nigra possible) · Hardwood; domestic, figured burl stock
AI-generated identification · may be incorrect- Type
- Hardwood; domestic, figured burl stock
- Origin
- Claro walnut is native mainly to California and Oregon; black walnut is native to eastern and central North America.
- Hardness
- About 1,010 lbf Janka—Medium hardness.
- Durability
- Moderately durable; heartwood has moderate decay resistance, but burl and spalting can be more vulnerable to moisture and insects than sound heartwood.
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Grain Pattern
Highly irregular burl grain with swirling, curly figure, dark spalting lines, and likely live-edge contours; orientation appears flat-sawn or slab-cut.
Color & Appearance
Warm honey, amber, orange-brown, and chocolate-brown heartwood with nearly black streaks and strong chatoyance under finish. Walnut generally darkens and warms with age, while light exposure may mellow contrast.
Hardness (Janka)
About 1,010 lbf Janka—Medium hardness.
Durability & Decay Resistance
Moderately durable; heartwood has moderate decay resistance, but burl and spalting can be more vulnerable to moisture and insects than sound heartwood.
Value & Age
Approximately $20–$80 per board foot for attractive figured burl; exceptional stabilized or highly figured pieces may exceed $100.
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 piece appears recently surfaced and finished; its biological age cannot be estimated from the photograph, though dark spalting and oxidation indicate prolonged growth or storage.
Common Uses
Decorative slabs, furniture accents, table tops, cabinetry, turning blanks, boxes, knife scales, and veneer.
Geographic Origin
Claro walnut is native mainly to California and Oregon; black walnut is native to eastern and central North America.
Workability
Works reasonably well but irregular grain can tear out and dull edges; use sharp tools, light cuts, sanding, and careful dust removal. Gluing and finishing are generally straightforward.
Finish Recommendations
Apply a penetrating oil or sanding sealer, then lacquer, shellac, or satin polyurethane; stabilize soft spalting before machining or finishing if friable.
Notable Features
Striking burl figure, spalting, color contrast, and strong visual chatoyance; density and grain vary substantially across the piece.