nkante wrote:What type of material is lignum vitaea?

Animal, Vegtable or mineral?
Lignum vitae
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A sapwood, Lignum vitae is a trade wood, from trees of the genus Guaiacum, also called guayacan. This wood was once very important for uses requiring strength, weight, and hardness. All species of the genus are now listed in Appendix II of CITES (the Convention on International Trade in Endangered Species of Wild Fauna and Flora) as potentially endangered species. The wood is obtained chiefly from Guaiacum officinale and Guaiacum sanctum, both small, slow growing trees.
The name is Latin for "wood of life", and derives from its medicinal uses: the resin has been used to treat a variety of medical conditions from coughs to arthritis; wood chips can also be used to brew a tea. Other names are palo santo (Spanish for holy wood), greenheart, and ironwood (one of many).
It is a hard, dense and durable wood, the most dense wood traded; it will easily sink in water. On the Janka Scale of Hardness, which measures hardness of woods, lignum vitae ranks highest of the trade woods, with a Janka hardness of 4500 (compared with Hickory at 1820, red oak at 1290, and Yellow Pine at 690). The heartwood is green in color leading to the common name Greenheart. In the shipbuilding, cabinetry, and woodturning crafts the term greenheart refers to the green heartwood of Chlorocardium rodiei.
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