Found along river bank

USNFLYR

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Dec 17, 2018
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Help please?

Found while walking along Portland Oregon area river bank. Did not seem natural to the rest of the stones.....
 

galenrog

Bronze Member
Feb 19, 2006
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Locals would call all of them river agates, although I would have only kept the top two. All are forms of quartz and quite common in most of the Columbia River system. I am about 100 miles south of Portland and can find similar rocks on nearly every gravel bar.
 

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USNFLYR

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Dec 17, 2018
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Primary Interest:
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Galenrog,

You were great in the solution of my first post....can you take a look at these pics?

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Found in tributary to Columbia River, SW Washington. Heavy and nice shine when wet. Dull green when dry.
 

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