Ammolite Fossilized Ammonite Shell Fragments, 3 Pcs - Jul 07, 2023 | Artemis Gallery In Co
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Ammolite Fossilized Ammonite Shell Fragments, 3 pcs

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Ammolite Fossilized Ammonite Shell Fragments, 3 pcs
Ammolite Fossilized Ammonite Shell Fragments, 3 pcs
Item Details
Description
North America, Canada, Alberta, Bearpaw formation, late Cretaceous, ca. 71 million years ago. A group of 3 fragments from fossilized ammonite shells with shimmering hues due to the formation of ammolite: fiery red-orange and yellow-green with areas of blue and purple on the largest piece. The front surface is covered in clear fixative to protect the precious surface. Ammolite is a rare, iridescent, gem-quality material cut from the fossilized shells of extinct sea creatures known as ammonites. Found only in the Bearpaw Formation in Alberta, Canada - along the eastern slopes of the Rocky Mountains - these fossils are literal gems, and highly desired for their beauty! Size of largest: 5" L x 3" W (12.7 cm x 7.6 cm)

According to the International Gem Society (IGS) statement on the difference between Ammolite and Ammonite: "You may find the terms ammolite and ammonite sometimes used interchangeably. However, ammonite, strictly speaking, refers to the fossil shells of ammonites, whether gem-quality or not. Ammolite refers to the gem-quality material made from fossils of particular species of ammonites." Also, according to IGS, "Ammonites were marine mollusks that became extinct around 65 million years ago. There were many species of ammonites, and their fossils have been found across the globe. The fossils of Placenticeras meeki, Placenticeras intercalare, and Baculites compressus can yield gem-quality ammolite. To date, this material has been found only in Alberta, Canada."

Provenance: private Berthoud, Colorado, USA collection

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#177734
Condition
Fragments of larger shells as shown. Professionally cut and polished with clear protective coating. Fabulous iridescence on front side of each piece.
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Ammolite Fossilized Ammonite Shell Fragments, 3 pcs

Estimate $1,400 - $2,100
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Starting Price $700
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Artemis Gallery

Artemis Gallery

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