Exploding comet created pretty jewelry

A comet entered Earth’s atmosphere and exploded above Egypt causing a rain of fire onto the sand dunes below approximately 28 million years ago, South African scientists have discovered.

This exploding comet heated up the Sahara Desert below to a temperature of 2,000 degrees Celsius, causing the formation of a huge amount of yellow silica glass scattered over a 6,000 square kilometre area.

Specimens of the glass was collected and polished by ancient jewelers, some of which is found in Tutankhamun’s brooch of a yellow-brown scarab.

Read more at University of the Witwatersrand