Macro photograph of a slab of polished Mookaite jasper from Western Australia.  Formed approx. 125 million yrs ago, in part...

Mookaite Jasper 3

Australia

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. Though it is called a jasper it is actually a type of sedimentary rock.

Image #3759. Photo © copyright by Mark Windom.

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