The origins of vivid colors within the gemstone ammolite—a rare type of brightly colored fossilized ammonite shell—are ...

The brilliant iridescent hues found in ammolite come from tiny air gaps in the fossils’ layers, a new study finds.

The online jeweler unveils a campaign that celebrates the imperfection and diversity of colored gemstones as the industry continues to surge past diamonds NEW YORK, November 16, 2023 (Newswire.com) - ...

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