Likely Hawaiian Koa; alternatives include figured walnut or mahogany
Acacia koa · Hardwood; exotic/tropical
AI-generated identification · may be incorrect- Type
- Hardwood; exotic/tropical
- Origin
- Native primarily to the Hawaiian Islands, especially higher-elevation forests.
- Hardness
- Janka approximately 1,170 lbf — Medium.
- Durability
- Moderately durable; heartwood offers fair decay resistance, while sapwood is more vulnerable to insects and moisture.
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Grain Pattern
Mostly straight to mildly interlocked, with prominent wavy/flame figure and subtle chatoyance; likely flat-sawn.
Color & Appearance
Golden honey-brown to reddish brown with darker streaking; moderate luster. Typically darkens and reddens somewhat with age and light.
Hardness (Janka)
Janka approximately 1,170 lbf — Medium.
Durability & Decay Resistance
Moderately durable; heartwood offers fair decay resistance, while sapwood is more vulnerable to insects and moisture.
Value & Age
Approximately $20–$60 per board foot for attractive kiln-dried koa; highly figured material can 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
- Cannot be reliably estimated from this clean, unfinished sample; it appears recently machined rather than visibly aged.
Common Uses
Fine furniture, cabinetry, veneer, boxes, turning, decorative panels, and musical instruments, especially ukuleles and guitars.
Geographic Origin
Native primarily to the Hawaiian Islands, especially higher-elevation forests.
Workability
Generally machines and sands well, though interlocked figure can tear out during planing. Pre-drilling is useful; gluing and finishing are usually straightforward.
Finish Recommendations
Apply a clear film finish, lacquer, shellac, or wiping varnish to emphasize figure; sanding sealer helps produce an even surface.
Notable Features
Recognized for warm golden color, dark streaks, wavy figure, and strong chatoyance; density and appearance vary substantially by board.
