Appearance
COLOR: Sapwood is gray-white; heartwood is salmon red to orange-brown when fresh and becomes russet or reddish brown when seasoned; often marked with dark streaks.
GRAIN: Mostly interlocked; texture is medium to rather coarse.
VARIATIONS WITHIN SPECIES AND GRADES: Moderate to high color variation.
Properties
HARDNESS (JANKA): Average of 2820 (119% harder than Northern red oak).
DIMENSIONAL STABILITY: Average (8.5; 1% more stable than Northern red oak). However, actual installations have shown significant movement. Longer-than-normal acclimation time is recommended.
Origin: South America.