Lignum Vitae Try not go get whacked with this bad boy. It will win the mallet v. bone competition. Common trade names: Bera, guayacan, guaiacum, pockenholz (European), Genus: Guaiacum officinale Janka Hardness (pounds-force): 4500 Description: Deep olive-brown to brown, sometimes approaching black. Has a uniquely layered grain pattern when held under close inspection. There are […]