Macro photograph of linear patterns in a polished slab of Snakeskin jasper from Western Australia Image #3297 4800 X 3200 pixels
Mineral (agate and quartz) patterns in a cut and polished Mexican Coconut geode; Mexico Image #3833 5850 X 4018 pixels
Macrophotograph of the repetitive structure of a grape agate from Indonesia Image #2904 4723 X 3113 pixels
