Thunder eggs come from cavities in volcanic rocks that have filled in with agate, jasper, opal or other materials. This thunder egg from Richardson’s Ranch filled in with blue agate.
Stone Timbers
Rocks, Gems and Gifts
Rocks, Gems and Gifts
Thunder eggs come from cavities in volcanic rocks that have filled in with agate, jasper, opal or other materials. This thunder egg from Richardson’s Ranch filled in with blue agate.