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    Description

    "Gem" Ammonite
    Placenticeras costatum
    Late Cretaceous
    Bearpaw Formation
    Alberta, Canada


    This "Gem" Ammonite features Ammolite preservation with incredible iridescent colors on this shell. A special example of this material that is both fossil and gemstone, this inflated Placenticeras costatum is exceptional with a layered appearance and intense flashes of red and green over both primary surfaces. Some 10 inches (25 cm) in diameter, this is a sizable specimen, beyond just being an attractive Bearpaw fossil, which even exhibits some "dragon skin" patterning near the periphery of the ancient cephalopod.
    Overall Measurements: 9.45 x 7.87 x 2.17 inches (24.00 x 20.00 x 5.52 cm)

    Provenance: The Property from an East Coast Collection

    [Scale: 1 inch, with mark at 1 cm]


    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. All lots are sold "AS IS" under the Terms & Conditions of Auction.

    Auction Info

    Auction Dates
    September, 2019
    28th Saturday
    Bids + Registered Phone Bidders: 3
    Lot Tracking Activity: N/A
    Page Views: 578

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