02 Aug '11, 8am

Ammonite: The Animal that Transforms into a Gemstone

Ammonite: The Animal that Transforms into a Gemstone

Photo: Different Seasons Jewelry More than 65 million years ago lived a squid like animal in the deep oceans. This was an animal called ammonite, it had a thin shell that with polishing becomes one of the rarest gemstones on earth. Ammolite is made from the fossilized remains of these shells, brought to light after millions of years. Photo: Mike Peel Ammolite is almost opal like in its iridescent colors and found mostly in the Rocky Mountains of North America. A biogenic gemstone, because it comes from organic matter (like amber or pearls), it was given official gemstone status in 1981. Photo: Different Seasons Jewelry Unlike opal, or other gemstones, the play of its colors comes from interference with light rebounding from layers of tiny plates. The ammloite is extremely thin, often showing a dragon skin appearance or shattering due to the pressure of sediment it has been...

Full article: http://www.environmentalgraffiti.com/news-ammolite-gemsto...

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