Strange yellow glass found in Libyan desert may have formed from lost meteor impact 

 A strange type of glass that was discovered in 1933 in the Libyan desert may come from a meteorite, an analysis shows, but impact crater is still missing. 

https://cdn.mos.cms.futurecdn.net/XpYHZVNvZoFeVnZFy9VG4M.jpg

https://www.space.com/strange-yellow-glass-libya-meteor-impact