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Chrome Alum Crystals | by Paul's Lab
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Chrome Alum Crystals

This is a photo of chrome alum crystals in a chrome alum solution, at 20x magnification. Taken with my Canon SX110 IS, through a Novex stereo microscope with lighting from underneath. The crystals are grown from a saturated solution and are no more than 1 mm in diameter. Created myself, Paul, from


Published in Science, Vol. 343 (7 March 2014)

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Taken on August 24, 2009