Appearance:

Color: Heartwood and sapwood are similar, with sapwood lighter in color. Most pieces have reddish tone. Slightly redder than white oak.
Grain: Open, slightly coarser more porous) than white oak. Plainsawn boards have a plumed or flared grain appearance; riftsawn has a tighter grain pattern, low figuring; quartersawn has a flake pattern, sometimes called tiger rays or butterflies.

Properties:

Hardness/Janka: Northern: 1290 (benchmark) Southern: Below average (1060; 18% softer than Northern red oak)
Dimensional Stability: Northern: Average (8.6). Southern: Below average (11.3; 31 % less stable than Northern red oak)
Origin: North America