Mystery solved: Why seashells’ mineral forms differently in seawater

March 2, 2015

Century-old riddle about aragonite formation is unraveled by scientists’ atomistic simulation. Learn more from the MIT News Office.

 

Two different forms of calcium carbonate have identical chemical composition, but look different and have different properties such as solubility. The flat, clear crystal is calcite, the pinkish multifaceted one is aragonite.

Photo courtesy of Felice Frankel

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