Friday, July 04, 2014

Copper provides the blue color in fireworks

Minerals provide the colors in our fireworks, with copper the source of blue, according to a short informational item posted by the USGS describing what minerals produce other colors, at http://www.usgs.gov/blogs/features/usgs_top_story/the-elements-of-a-dazzling-fourth-of-july/?from=title

Happy 4th of July!


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