Macro photograph of the patterns in a sliced backlit agate Image #2976 4800 X 3200 pixels
Macro photograph of the backlight-enhanced color and structural depth in a White Plume agate; from eastern Oregon Image #2677 4800 X 3036 pixels
Macro photograph of the banding pattern in a laguna lace agate from Mexico Image #4086 4080 X 6144 pixels
