Researchers trace Mercury's origins to rare meteoriteby: Massachusetts Institute of Technology, June 27, 2016'Forbidden Symmetry' Found in 4.5-Billion-Year-Old MeteoriteUntil 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