Macro photograph of a slab of polished Mookaite jasper from the Mooka Creek area of Western Australia. Formed approx. 125 million yrs ago, in part, from the fossilization of microscopic protozoa called radiolaria. Image #3139 3200 X 4800 pixels
Macrophotograph of patterns in a Brazilian agate Image #4005 3200 X4800 pixels
