Two views of a cold water deposited quartz (SiO2) geode.  To the left it is fluorescing green under UV light while to the right is it under white light. 

Two views of a cold water deposited quartz (SiO2) geode.  To the left it is fluorescing green under UV light while to the right is it under white light. 

Posted on June 26, 2012 with 157 notes
Filed Under: florescence, geology, chemistry, light, quartz, geode, science,
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