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Lignum Vitae

Guaiacum spp.

Lignum vitae is an ultra-dense, oily hardwood famous for self-lubricating, wear parts, and tool-abusing hardness.

Janka

4390

Price Tier

$$$$$

Dent Risk

Low
Straight-on view of a Lignum Vitae lumber board showing its dense, oily texture and unique olive-green to dark brown coloration.

Overview

Lignum vitae is one of those woods that feels more like machining a bowling ball than milling lumber. Its extreme density and natural oils make it durable in friction and marine-adjacent roles, but they also complicate gluing and finishing. Light passes and sharp tooling matter because it can skate over cutters. When you treat it like a specialty material, it rewards you with a smooth, waxy feel and excellent turning.

Key takeaways

At a Glance

Hardness & Heft

Janka: 4390 lbf
Dry weight: 75 lbs/ft³ (1201 kg/m³)

Color & Figure

Color: Dark Brown

Grain: Interlocked
Figure: Subtle figure

Stability & Movement

Movement: Medium

Drying: End checks

Workability

Plays nice with

Fights you on

Finishing

Best Uses

Great for

Avoid for

Where it comes from

Native to the Caribbean and northern South America

Map highlighting parts of the Caribbean and northern South America where several tropical hardwood species originate.

Buying notes

Verify species and legality; true lignum vitae is commonly substituted with similar lignum woods.

What to Watch Out For

Practical Alternatives

Shop Notes / Deeper Dive

Lignum Vitae isn’t wood; it’s an engineering material. It’s so oily it’ll fight your glue and so dense it’ll treat your jointer knives like butter. Take light passes—it likes to “skip” on cutters. Use it for mallet heads or bushings where friction is the enemy. Mechanical joinery is your only insurance policy here; don’t trust a glue joint to hold the weight of the world.

Like what you see?

While I occasionally work with some of these species, availability varies widely. If you’re researching woods for a custom project, feel free to reach out.

Reference Notes:  Wood grain and color can vary significantly within a species depending on growing conditions, age, and cut orientation. Images on this page are provided as general reference examples and may not represent every possible variation of the species. Geographic distribution maps illustrate typical native or commonly cultivated ranges and may not reflect every region where the species occurs today.

Additional technical data and botanical information may be referenced from sources such as the USDA Forest Products Laboratory Wood Handbook.