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Iridescent Canadian Ammonite (Ammolite), 19.25"

Inventory quantity available: 151

This gorgeous iridescent ammonite was found in western Canada - its shell is beautifully preserved with ammolite; it displays a multitude of bright colours: reds, oranges, greens, golds as well as a significant amount of the rare blues and purples. It has excellent shape and is extremely bright. At 19.25" it is a very large example!

Ammolite is a rare, opal-like gemstone found only in Alberta's Upper Cretaceous Bearpaw formation, just east of the Rocky Mountains. Complete specimens like this, especially with such intense hues, high lustre, large size, and variety colours, are rare and highly sought-after.

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  • Government Registration number: 12(1222)
  • Size: Approximately 19 ¼” (49cm.) in diameter. 
  • Deposit: Bearpaw Formation
  • Location: Southern Alberta, Canada 
  • Age: Late Cretaceous (71 million years old)
  • Certificate of authenticity included
  • Can be shipped internationally
  • Wooden stand included

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Ammonites belong to the Mollusca Phylum in a Class known as Cephalopods – “head-footed” creatures such as octopus and squid. They swam in ancient oceans from 400 million years ago, to their extinction, along with the dinosaurs, 65 million years ago.

Ammonites were free floating invertebrates that were attacked by plesiosaurs and mosasaurs, two groups of gigantic marine reptiles. One way that ammonites could avoid an attack was to quickly change their buoyancy levels, zig zagging and sinking rapidly.

These incredible prehistoric animals ranged in size from tiny species only a few centimetres in diameter to the monstrous Cretaceous ammonite, Parapuzosia seppenradensis, which grew to about 3 meters and would probably weigh close to 1500 kilograms!