White Oak (Burl)
Quercus alba • Hardwood
Grain Pattern
Highly irregular burl figure with interlocked and swirled grain, featuring small clusters of knots, wavy fibers, and chatoyancy throughout the dense figure.
Color Description
Light to medium brown heartwood with a distinctive olive-colored cast. Sapwood is light tan to off-white. Displays high luster in figured areas; tends to darken slightly toward an amber hue with age and UV exposure.
Hardness Rating
1,350 lbf (Hard)
Durability Rating
Very Durable; highly resistant to rot and decay due to the presence of tyloses in the pores, though burls may have localized bark inclusions prone to instability.
Common Uses
Fine furniture, high-end veneers, knife handles, turned bowls, cabinetry accents, and luxury automotive interiors.
Geographic Origin
Eastern North America
Market Value & Sustainability
Estimated Market Value
$15.00 - $35.00 per board foot (burl figure carries a significant premium over standard grade).
Wood Age Estimate
Modern stock (likely kiln-dried within the last 5-10 years), showing fresh surfacing marks and minimal oxidation or environmental patina.
Sustainability Status
Least Concern (IUCN); widely available and sustainably managed, though large burls are rarer than standard lumber. FSC certification frequently available.
Workability
Challenging due to the irregular grain; prone to tearout during planing and jointing. Responds best to very sharp scrapers and sanding. Glues and finishes well but may require grain filling for a glass-smooth surface.
Notable Features
Characteristic 'whiskey' or 'vinegar' scent when freshly cut. Noted for high tannin content which can react with iron to cause black staining. Excellent acoustic properties in thicker slabs.
Finish Recommendations
Danish oil or clear polyurethane to pop the figure. A sanding sealer is recommended to manage varying absorption rates in the burl grain. Avoid iron-based stains.
Identification Confidence
High; the visible pore structure in the straight-grain sections combined with the specific olive-brown color and the characteristic swirl patterns of Oak burl are diagnostic for Quercus species.