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SNAKESKIN JASPER
Snakeskin jasper occurs in the Pilbara
region of Western Australia.
The deposit is about 100 miles from the
iron ore mining town of Newman which is in turn approximately 700 miles north of
the capital, Perth.
The gemstone occurs as seams of
jaspilite in a banded iron formation called "The Weeli Wooli
Formation".
The age of this formation is around
2500 million years, so metamorphism & folding has added other interesting
features such as cross cutting quartz veins & contortions to the unusual
banding.
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