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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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Hot n' Heavy Geothermal Adventures

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Zen garden path over a pond, Portland Japanese Garden, Portland, Oregon, USA. #japanese #zen #gardens

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