English Walnut (Burl/Claro Walnut variant) — Juglans regia

English Walnut (Burl/Claro Walnut variant)

Juglans regia · Hardwood

AI-generated identification · may be incorrect
Type
Hardwood
Origin
Native to Europe and Western Asia; widely cultivated in Western North America (specifically California).
Hardness
1,220 lbf (Hard)
Durability
Moderately Durable to Durable; heartwood is resistant to decay but susceptible to insect attack.

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Grain Pattern

Highly irregular and figured with heavy burl clusters, swirls, and circular grain patterns known as 'eyes'. Significant chatoyancy and ripple figure is visible in the lower section.

Color & Appearance

Medium to light golden-brown with darker chocolate brown streaks and dark inclusions. High natural luster; heartwood will likely darken and develop a warmer patina with age.

Hardness (Janka)

1,220 lbf (Hard)

Durability & Decay Resistance

Moderately Durable to Durable; heartwood is resistant to decay but susceptible to insect attack.

Value & Age

Estimated Market ValueNot an official valuation

$25.00 to $60.00 per board foot depending on figure intensity and size.

AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.

Wood Age Estimate
The sample appears to be freshly surfaced or reclaimed stock with approximately 50-100 years of biological age based on the density of the burl growth and oxidation levels.

Common Uses

Fine furniture, high-end gunstocks, knife handles, luxury automotive trim, musical instruments, and veneers.

Geographic Origin

Native to Europe and Western Asia; widely cultivated in Western North America (specifically California).

Workability

Difficult due to wild grain and high risk of tearout. Requires sharp tools and careful sanding. Glues and finishes very well, though voids may require epoxy filling.

Finish Recommendations

High-quality oils (Tung/Linseed) or shellac to pop the figure, followed by wax or lacquer for protection. Void filling with black or clear epoxy is recommended for this specific burl sample.

Notable Features

Distinctive 'nutty' scent when worked. Contains juglone, which can cause mild allergic reactions in some individuals. Known for exceptional acoustic properties and aesthetic depth.

Learn more about English Walnut (Burl/Claro Walnut variant) in the Wood Encyclopedia
Identified July 2, 2026