Macro photograph showing the patterns in sliced Brazilian agate Image #2861 4799 X 3112 pixels
Macro photograph of patterns in a piece of Imperial jasper from Mexico Image #2899 4602 X 3109 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 #3761 4800 X 3200 pixels
