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Description

Polished Petrified Conifer Slab
Araucarioxylon arizonicum
Triassic
Chinle Formation
Arizona, USA
7.76 x 5.51 x 2.87 inches (19.70 x 14.00 x 7.28 cm)

Radiant sections of crimson, gold, slate blue, and smoky gray spread across this polished Petrified Conifer Slab, revealing a vivid record of mineral replacement within ancient wood. The central starburst pattern highlights the original growth structure, where Silica-rich solutions captured the tree's form and transformed it into a richly colored stone. Subtle fractures and fine internal veining add visual depth, allowing light to play across the surface in shifting tones. The outer rim preserves the natural contour of the trunk, offering a striking contrast to the high-gloss interior. This vibrant slab presents a beautiful and display-ready example of the remarkable color variation found in premium Petrified Wood.


Estimate: $400 - up.

Condition Report*: Condition report available upon request.
*Heritage Auctions strives to provide as much information as possible but encourages in-person inspection by bidders. Statements regarding the condition of objects are only for general guidance and should not be relied upon as complete statements of fact, and do not constitute a representation, warranty or assumption of liability by Heritage. Some condition issues may not be noted in the condition report but are apparent in the provided photos which are considered part of the condition report. Please note that we do not de-frame lots estimated at $1,000 or less and may not be able to provide additional details for lots valued under $500. Heritage does not guarantee the condition of frames and shall not be liable for any damage/scratches to frames, glass/acrylic coverings, original boxes, display accessories, or art that has slipped in frames. All lots are sold "AS IS" under the Terms & Conditions of Auction.

Auction Info

Proxy Bidding Ends 
December
18th Thursday 7:50 pm CT
Auction Dates
December
18th Thursday
Proxy Bidding Time Remaining 
1 Day 6h 37m 21s
Internet/Mail Bids: 2
Lot Tracking Activity: 17
Page Views: 71

Buyer's Premium per Lot:
25% of the successful bid (minimum $49) per lot.

This lot is in: 1 - Nature & Science Session
(Lots 78001-78060) - 8:00 PM Central Time, Thursday, December 18, 2025.
[Proxy bidding ends ten minutes prior to the session start time. Live Proxy bidding on Heritage Live now starts within 2 hours of when the auction opens for proxy bidding and continues through the live session.]

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