High; the characteristic swirls, scattered dark eyes, and overall golden-tan tone are classic hallmarks of Bigleaf Maple burl. confidence

Maple Burl (likely Bigleaf Maple Burl)

Acer macrophyllum · Hardwood

Type: Hardwood
Origin: Pacific Northwest of North America (for Bigleaf Maple)
Hardness: 850 lbf (Soft to Medium depending on specific species, though burl areas can be slightly harder and brittle due to grain distortion)
Durability: Non-durable; susceptible to decay and insect attack, intended primarily for interior or decorative use.

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Grain Pattern

Highly irregular and chaotic burl figure characterized by numerous tightly clustered bud clusters, swirls, and dark ingrown bark inclusions creating distinctive black lines and eyes.

Color & Appearance

Light golden brown to creamy tan with varying tones of grey and dark brown accents from the burl eyes and bark inclusions. Exhibits good natural luster and chatoyance.

Hardness (Janka)

850 lbf (Soft to Medium depending on specific species, though burl areas can be slightly harder and brittle due to grain distortion)

Durability & Decay Resistance

Non-durable; susceptible to decay and insect attack, intended primarily for interior or decorative use.

Value & Sustainability

Estimated Market Value: $25.00 to $50.00+ per board foot (significantly higher for premium figured burl blocks sold by weight or piece)
Wood Age Estimate: Kiln-dried modern stock, polished or freshly prepared, estimated recent to a few decades old.
Sustainability Status: Generally abundant and sustainable, not listed on CITES appendices or IUCN red list.

Common Uses

High-end turning (bowls, pens), luxury furniture accents, veneer, instrument making (guitar tops, violin backs), knife scales, and small decorative items.

Geographic Origin

Pacific Northwest of North America (for Bigleaf Maple)

Workability

Challenging due to wildly interlocked grain in the burl sections; prone to tearing out during planing and routing. Sharp tools, scraping, and careful sanding are required.

Finish Recommendations

Wipe-on oil finishes, lacquer, or French polish to enhance the chatoyance and depth of the burl figure. High-gloss polyurethane is also popular for display pieces.