Roger Weller, geology instructor
firstname.lastname@example.org copyright 2011-R.Weller
tektite look-a-like, obsidian-4
This is an obsidian pebble that has weathered to a tektite-like surface.
This example is less weathered and is almost the same color of a typical tektite.
Photo is copyright free for non-commercial
Just credit photo to R.Weller/Cochise College.