‘Forbidden Symmetry’ Found in Meteorite

Published on June 30, 2016 by Frequency

Forbidden symmetry is characterized in a quasicrystal by an electron beam, which visualizes the ten-fold symmetry found within this meteorite grain.

Until recently, crystals with ‘forbidden symmetry’ were thought impossible to naturally occur. Yet, a 4.57 billion-year-old meteorite was found in the far northeastern region of Chukotka, Russia exhibiting crystals with naturally occurring ‘forbidden symmetry‘ for the first time. Dr. Paul Steinhardt from Princeton University led a research team to characterize the nature and occurrence of this enigmatic quasicrystal.

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