The minerals involved in the fossilization of ancient life can have a dramatic effect on how that fossil turns out. They ...
A translucent opalized fossil turtle tail bone, donated to the Australian Opal Center by opal miners Graeme and Christine Thompson. A translucent opalized fossil turtle tail bone, donated to the ...
Opalised fossils from Lightning Ridge, N.S.W, Australia. From the collection of the Australian Opal Center. Clockwise from top left: freshwater snail; plesiosaur tooth; crocodile tooth; pine cone; ...