SEM of calcium carbonate crystal

Beautiful - even in the microscale. Pseudocoloured SEM photograph of a synthetically prepared calcium carbonate crystal after inhibition of polymer. Specimen was carbon coated and imaged using high-vacuum mode of the FEI Quanta 200 scanning electron microscope.

Submitted by: Melina Miralles, Petroleum Institute, Petroleum Geosciences, Sas Al Nakhl, ABU DHABI, UNITED ARAB EMIRATES
mmiralles@pi.ac.ae