Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior - Like a Opal !!!
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior "Butterfly"
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior
Sphaerolith:
Lake Superior "Big Eye"