Happy 4th of July, everyone! In honor of the 4th, here are some red, white, and blue rocks.
Red sandstone:
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| Red Standstone. Arches National Park, Utah, Fall 2005. |
Newly-deposited white travertine:
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| Travertine forming in an alkaline pool. Oman, January 2009. |
And, last but not least, brilliant bright blue kyanite crystals:
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| Blue kyanite. Image courtesy of Ian Stimpson’s Flickr stream. |




Feel free to add more red, white, and blue rocks in the comments! Happy 4th!
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A quick quiz related to this topic: What do the following nations have in common?AustraliaCambodiaChileCubaCzech RepublicFranceIcelandNorth KoreaLaosLiberiaNetherlandsNew ZealandNorwayPanamaRepublic of China (a.k.a. Taiwan)RussiaSamoaSlovakiaSloveniaUnited KingdomUnited States of America
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