Thursday, November 29, 2007


I found this chunk of obsidian, a glass-like volcanic stone, embedded in this stone and mortar wall near Heritage Square in downtown Flagstaff. Only in Flagstaff, a city located in the center of a volcanic field, would a chuck of obsidian, a relatively rare type of stone, be used for such a plain purpose.

1 comment:

Anonymous said...

Also in Newberry Oregon you will find this. The big obsidian flow is a rather large area full of it.