Macro photograph of the structural depth in a cut and polished White Plume agate; from eastern Oregon Image #2674 4746 X 3175 pixels
Macro photograph of the patterns in a Lace agate from Mexico Image #2741 4408 X 3080 pixels
Macrophotograph showing the structural depth of a moss agate from Oregon Image #4036 6144 X 4080 pixels
