The Holsinger Fragment
 

Weighting in at over 1,400 pounds the Holsinger Fragment is the largest of the meteorites found at Meteor Crater. Named for Samuel Holsinger who had been Barringer Forman and drill supervisor for many years it now rests in the museum on the crater rim.

Like many of the Canyon Diablo meteorites it has holes in it. Some of these hole were probably where graphite nodules burned away. Nodules of graphite are very common is Canyon Diablo meteorites.