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Blue Biggs Jasper stone. Blue Biggs Jasper is a silicated volcanic ash. It was formed during a volcanic eruption and is part of a Miocene series of rocks called the John Day Formation, near Biggs, Oregon, USA. It is a decorative stone used for jewellery and trinkets.

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Blue Pool, Clear Lake Oregon - The McKenzie river resurfaces at the Blue Pool after traveling for some distance underground. The water is the same color as this picture depicts. It's worth the hike!

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