Macro photograph of patterns in a piece of 'Polish Flint' jasper from Poland Image #2505
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 #3762
Strong backlighting enhances the color and chaotic structural depth of a Graveyard Point plume agate slice; from Oregon Image #2813 4730 X 3200 pixels
