Auction Name: Thursday Natural History Select Auction

Lot Number: 76012

Shortcut to Lot: HA.com/212601*76012

Polished Petrified Wood Stump
Araucarioxylon arizonicum
Triassic
Chinle Formation
Arizona, USA
5.90 x 5.28 x 3.31 inches (14.98 x 13.42 x 8.40 cm)

Warm red, amber, and slate-blue tones radiate from the polished face of this Petrified Conifer trunk section, revealing finely preserved growth structures within the ancient wood. The contrast between the rugged exterior and the smooth, high-gloss interior highlights the dramatic shift from organic material to Silica-rich stone. Subtle internal veining and starburst color zoning add visual depth, enhancing the natural geometry of the cross-section. Despite its modest size, the specimen carries strong display presence, especially in the richly colored central region. This appealing stump fragment offers a compact and vibrant example of classic Petrified Wood.

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