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 #3759 4800 X 3200 pixels
Macro photograph depicting (I hope) the depth in a Pilbara agate from Western Australia Image #3581 4800 X 3113 pixels
