Appearance:

Color: Sapwood is grey-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.

Properties:

Hardness/Janka: Average of 2820 (119% harder than Northern red oak).
Dimensional Stability: Average (8.5; 1% more stable than Northern red oak. Longer than normal acclimation time is recommended.
Origin: South America