Roger Weller, geology instructor
firstname.lastname@example.org copyright 2011-R.Weller
tektite look-a-likes, obsidian-3
These are obsidian pebbles that have weathered to a tektite-like surface.
These samples are less weathered and are almost the same color of typical tektites.
Photo is copyright free for non-commercial
Just credit photo to R.Weller/Cochise College.