Ammolite

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Multicolor ammolite pendant

Species:  Ammonite
​​Mohs Hardness:  3.5 to 4 out of 10
Color:  Most ammolite is green and red, with blue and violet ammolite being more rare.
RI:  1.520 to 1.680 (varies with mineral content)
Birefringence:  Usually 0.155
SR/DR/AGG:  AGG
Optic Character:  N/A
Spectrum:  Not diagnostic
Fluorescence:  Varies
SG:  Usually 2.70 (varies with mineral content)

Ammolite Facts

Ammolite cabochon

Ammolite is a colorful, iridescent gem created by fossilized ammonite shells!

This beautiful organic gemstone is found in Southern Alberta, Canada.

Ammonites were squid-like creatures with beak-shaped jaws.  Ammonites became extinct approximately 66 million years ago, along with the dinosaurs!

Most ammolite is green and red, while blue and violet ammolite is more rare.

There are 2 different types of ammolites, in regards to their appearance:
Fractured Ammolite - Resembles stained glass.
Sheet Ammolite - An unbroken piece of ammolite where the colors are continuous.