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
Macro photograph of patterns in a Laguna Lace agate from Mexico Image #2310 2931 X 4396 pixels (6.26 MB)
