This Placenticeras costatum specimen is a stunning example of the famous iridescent ammonites from Canada - its shell is preserved with extremely bright, gorgeous ammolite.

Ammolite is a rare, opal-like gemstone found only in Alberta's Upper Cretaceous Bearpaw formation, just east of the Rocky Mountains. This piece displays extremely bright colours, including different shades of red, orange, gold, green, and rare blue and purple.

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