Custom Wire Wrapped Ammolite Necklace/Pendant/Slide/Enhancer Sterling Silver .935
Organic gemstone formed when it mixes with fossilized shell of extinct marine Ammonite Ammolite is an opal-like organic gemstone found primarily along the eastern slopes of the Rocky Mountains of North America. It is made of the fossilized shells of ammonites, which in turn are composed primarily of aragonite, the same mineral contained in nacre, with a microstructure inherited from the shell. It is one of few biogenic gemstones; others include amber and pearl.
Size: 2 1/8 × 3/4 inch or 53mm x 20mm