Amboyna Burl (or Tuya Burl) — Pterocarpus indicus

Amboyna Burl (or Tuya Burl)

Pterocarpus indicus · Exotic/Tropical Hardwood

AI-generated identification · may be incorrect
Type
Exotic/Tropical Hardwood
Origin
Southeast Asia (primarily Indonesia, the Philippines, and Papua New Guinea)
Hardness
2,010 lbf (Very Hard)
Durability
Very Durable with excellent natural resistance to decay, rot, and insect attacks due to dense oils.

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Grain Pattern

Highly irregular and swirling burl figure with numerous clustered bud traces and eyes creating a chaotic yet mesmerizing chatoyant pattern.

Color & Appearance

Rich golden-brown to deep reddish-brown with darker contrasting streaks and eyes. Exhibits high natural luster and deep chatoyance; darkens gracefully with age and UV exposure.

Hardness (Janka)

2,010 lbf (Very Hard)

Durability & Decay Resistance

Very Durable with excellent natural resistance to decay, rot, and insect attacks due to dense oils.

Value & Age

Estimated Market ValueNot an official valuation

35 to 75 dollars per board foot or premium pricing per individual turning blank.

AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.

Wood Age Estimate
Modern seasoned turning blank, estimated 5 to 15 years old based on surface oxidation and condition.

Common Uses

High-end turning blanks, knife scales, pen making, luxury small box making, inlay work, and custom grips.

Geographic Origin

Southeast Asia (primarily Indonesia, the Philippines, and Papua New Guinea)

Workability

Challenging due to the wild interlocking burl grain which causes frequent tearout. Requires sharp carbide tools, careful sanding, and takes a brilliant polish.

Finish Recommendations

Danish oil, CA glue (cyanoacrylate) finish for small items, or high-gloss polyurethane to deeply accentuate the natural chatoyancy and color.

Notable Features

Exhibits a pleasant, faint aromatic scent when cut, exceptional natural oils, high density, and breathtaking visual depth.

Learn more about Amboyna Burl (or Tuya Burl) in the Wood Encyclopedia
Identified August 20, 2026