brian bollman:
Obsidian and Pumice Flow
brian bollman:
Lost Lake
brian bollman:
Obsidian Swirled with Pumice
brian bollman:
Iridescent Obsidian
brian bollman:
Some People Call it Rainbow Obsidian
brian bollman:
Pumice
brian bollman:
Pumice and Obsidian Swirl
brian bollman:
Lost Kiss
brian bollman:
Paulina Falls