This is a rare oversized petrified wood fossil from Wyoming, dating back to the Eocene epoch (~50 million years ago).
• Weight: ~80 lbs (36 kg)
• Dimensions: Just over 20” × 12” × 9”
• Geologic Age: Eocene (~50 million years old)
• Origin: Wyoming, USA
• Composition: Quartz/Chalcedony with iron oxide staining and trace manganese
Features:
✅ Excellent woodgrain and growth ring preservation
✅ Rich coloration — browns, yellows, grays, reddish iron streaks
✅ Glossy chalcedony exposures and natural cavities
✅ Large single specimen — perfect as a display piece, collector’s fossil, or cutting/polishing source
This specimen is museum-grade and highly collectible. Large petrified wood pieces from Wyoming of this size are increasingly rare on the open market.
Condition: Natural, unpolished, as found. Displays beautifully as-is.
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