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Iris agate
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Iris Agate is an iridescent variety of agate that displays radiant rainbows when thinly sliced and viewed with light from behind. It is named 'Iris Agate' because one of the definitions of the word 'iris' is rainbow! #irisagate #rainbowagate #irisagateslice #iridescent #iridescentminerals #rainbowcrystal
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Rainbow Iris Agate from Grizzly Peak Blvd, California; Photo:Dave Ault
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Iris Agate - A Rainbow in Stone Iris agate is a captivating variety of agate that displays an iridescent rainbow of colors when cut into t...
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Explore Captain Tenneal's 1452 photos on Flickr!
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This incredibly rare Iris Rainbow Agate slice is from Indonesia. It looks like a regular slice of agate until it is viewed through transmitted light, and then an incredible spectrum of colors appears. Scientists have said that less than 1% of agates in the word display these rainbow qualities.
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Agate was designated the official state stone of Tennessee in 1969, then re-named the state mineral in 2009. Tennessee also recognizes a state rock (limestone). All State Minerals & Rocks
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An enlarged view of the iris agate specimen with backlighting. This view is at a slightly different angle than the other backlighted view also pinned. It demonstrates that the spectral colors change with the angle of incident light and observation.
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Iris agate and more
