The dust was perfectly preserved between two layers of snow.
In a new study, researchers analyzed some of the tiny fragments of space rock that were left behind after the meteor exploded, known as meteorite dust. Normally, meteors produce a small amount of dust as they burn up, but the tiny grains are lost to scientists because they are either too small to find, scattered by the wind, fall into water or are contaminated by the environment.
The researchers stumbled upon the new types of crystal while they were examining specks of the dust under a standard microscope. One of these tiny structures, which was only just big enough to see under the microscope, was fortuitously in focus right at the center of one of the slides when one team member peered through the eyepiece.
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