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A bit about fossilised Opal

Many beautiful and valuable Opalised fossils have been found in the wide area that was once covered by the Eromanga Sea.

All the Australian Opals fields which are now located in the desert, where under water over 120 million years agoWith the raising of the seas, the heat the pressure, silica sipped into the crevices of all the sea creatures and they became Opalised Fossils as below.

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