Likely black locust; firewood identification from this image is uncertain, with oak or elm as alternatives.
Robinia pseudoacacia (probable) · Hardwood
AI-generated identification · may be incorrect- Type
- Hardwood
- Origin
- Native to eastern North America; widely planted and naturalized elsewhere.
- Hardness
- 1,700 lbf; Hard (approximate reference value for black locust).
- Durability
- Very Durable; black locust heartwood is notably decay-resistant, though the photo cannot confirm species or condition.
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Grain Pattern
Cut ends show diffuse-looking growth rings and reddish-brown heartwood; bark-covered, rough rounds obscure grain direction and figure.
Color & Appearance
Heartwood appears warm golden to reddish brown, with a lighter sapwood band. Fresh-cut color and lighting limit assessment of luster or aging.
Hardness (Janka)
1,700 lbf; Hard (approximate reference value for black locust).
Durability & Decay Resistance
Very Durable; black locust heartwood is notably decay-resistant, though the photo cannot confirm species or condition.
Value & Age
Roughly $3–$8 per board foot for usable, graded lumber; pictured irregular rounds are generally sold as firewood by volume, not board foot.
AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.
- Wood Age Estimate
- Cannot estimate tree or sample age from this photo; bark and cut faces show no reliable age indicators.
Common Uses
Fence posts, outdoor structures, flooring, furniture, and firewood.
Geographic Origin
Native to eastern North America; widely planted and naturalized elsewhere.
Workability
Hard and dense; can challenge tools and cause tearout. Pre-drill fasteners; glue and finish normally when properly dried.
Finish Recommendations
For lumber, dry thoroughly, sand evenly, then use oil or a clear film finish; test first for color and absorption.
Notable Features
Black locust is heavy and exceptionally durable outdoors; the image shows bark-covered, irregular firewood pieces, not diagnostic end grain.