Macro photograph of the patterns in a Prudent Man agate Image #3370 5923 X 4912 pixels
Macrophotograph of the banding pattern in a Brazilian agate Image #4011 4800 X 3200 pixels
Macrophotograph of the structural detail in a cut and polished moss agate from the Lucky Strike mine in Oregon Image #3451 4800 X 3200 pixels
