Wood Species

Tigerwood

Astronium spp.

Janka hardness
2170 lbf
Specific gravity
0.85
Workability
Moderate — wavy/interlocked grain; moisture-resistant nature complicates gluing
See Tigerwood with a finish on itPreview oils, poly, shellac and more on this species in the Finish Simulator — plus the sanding plan each one needs.
A board of Tigerwood (Goncalo Alves) -- medium reddish-brown, boldly streaked near-black, genuinely earning the trade name.
A board of Tigerwood (Goncalo Alves) -- medium reddish-brown, boldly streaked near-black, genuinely earning the trade name.

Tigerwood is the flooring-trade name for goncalo alves (Astronium spp., mainly A. fraxinifolium and A. graveolens), a Brazilian hardwood whose medium reddish-brown heartwood gets streaked dark brown to nearly black — on the boards that bother to earn the name, anyway.

Working Properties

For all its density, tigerwood only presents moderate machining challenges: wavy or interlocked grain takes a moderate toll on cutters, and its natural moisture resistance can throw a wrench into gluing. It turns and finishes well, and it's rated very durable against decay — this is a wood built to live outside.

Typical Uses

Flooring, furniture, cabinetry, and small specialty items like pool cues and knife handles.

Images

A board of Tigerwood (Goncalo Alves) -- medium reddish-brown, boldly streaked near-black, genuinely earning the trade name.

Raw Wood: A board of Tigerwood (Goncalo Alves) -- medium reddish-brown, boldly streaked near-black, genuinely earning the trade name.