Macro photograph showing the patterns in a sliced Coyamito agate from Mexico Image #2470 3200 X 4746 pixels
Macro photograph of a cut and polished Dryhead agate from Montana Image #3363 4800 X 3200 pixels
Macro photograph of a slab of polished Mookaite jasper from Western Australia. Formed approx. 125 million yrs ago, in part, from the fossilization of microscopic protozoa called radiolaria. Image #3760 3200 X 4800 pixels
