"Gem" Ammonite Fossil. Placenticeras costatum. Late Cretaceous. Bearpaw Formation. Alberta, Canada. ... (Total: 2 Item)

Description

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

While the natural "rainbow" of vibrant colors, and wonderfully artistic form, are the most obvious visual characteristics of this incredible "Gem" Ammonite from the Bearpaw Formation of Canada, the relatively expansive dimensions of this prehistoric cephalopod measuring nearly 20 inches (51 cm) at maximum diameter and a sizable 17 inches (43 cm) on the smaller measurement might be the most telling attributes of this superlative specimen. Rather flat, as is common for this variety, this highly decorative paleontological wonder has an enormous surface area for its weight. This stunningly beautiful Placenticeras costatum dating to the Late Cretaceous comes with a custom wooden easel stand and is truly spectacular on both sides. An abundance of rare purple and blue hues dominate the slick, polished surface of the giant preserved shell, with an unmistakable and elegant shape. Effectively only found in a singular locality, this material is highly prized by serious collectors and decorative enthusiasts alike. The unique form of preservation, known as Ammolite, is both fossil and gemstone - recognized as such since 1981 by the World Jewellery Confederation.
Measurements: 19.69 x 16.54 x 1.97 inches (50.00 x 42.00 x 5.00 cm)

More Information: The accompanying image is an artistic interpretation, based on knowledge from the fossil record and ancillary factors, of the potential appearance of the above extinct animal. Please note the rendering does not accompany the Lot.


*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.