Thundereggs are rough spheres, most about as big as a baseball and they contain centers of chalcedony in the form of agate, jasper, or opal.
They contain centers of chalcedony in the form of agate, jasper, or opal. Thundereggs are rough spheres, most about the size of a baseball.
Thundereggs are rough spheres, most about the size of a baseball. They contain centers of chalcedony in the form of agate, jasper, or opal.
Thundereggs are rough spheres, most about the size of a baseball. They contain centers of chalcedony in the form of agate, jasper, or opal.