Scientific name: Astronium graveolensCommon Names: Guaritá, TigerwoodDescription: Heartwood is russet-brown, orange-brown, or reddish-brown to red with narrow to wide irregular stripes of medium to very dark brown. After exposure it becomes brown, red, or dark reddish-brown with nearly black stripes. Grain variable, straight to roey; texture fine to medium, uniform. The wood often has a striking figure caused by irregular dark longitudinal bands. Region: South America What's Included: Goncalo Alves ¾" x ¾"x 5"(5ea.) Notes: Pen blanks are cut from premium kiln dried lumber. Sapwood is not considered a defect and may be found in some boards. Due to the nature of wood, no two pieces are alike, and movement, shrinkage or expansion can occur. Pictures are representations. Dimensions may vary +/- ⅛" Wood dust has been known to cause allergic reactions among wood workers, therefore sufficient ventilation, dust extraction equipment, and the use of proper respirators and eye protection is essential.