With a specific gravity of 1.03, Greenheart sinks in water. It is one of the heaviest timbers around, difficult to work, and splinters are poisonous. However, it is very durable and one of the best woods for use in a marine environment. Its low acid content means it has a very low corrosive effect on nails, spikes or metal fastenings. It comes from the Northeastern part of South America and as its name suggests, can present with greenish hues.
Sustainability: Not listed in the CITES Appendices but is listed on the IUCN Red List as being data deficient.
Common uses: Marine construction work, boatbuilding, decking, fishing rods, pool cues, other turned items.
Comments: Possibly the stiffest wood in the world, this stuff is strong!