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1,724 questions

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I need some help identifying some minerals I found on the bottow of a river near my home.

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I have more photos and several of these deposits found on the bottow of the river.  They are heavy, hard but not magnetic.  shinny gold flakes all over them.  Please help me out.

asked Dec 14, 2012 by Rusty (160 points)

2 Answers

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This is anohter photo

answered Dec 14, 2012 by Rusty (160 points)
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Looks like pyrite/marcasite in some sort of shale/sandstone. Where did you find these?

answered Dec 18, 2012 by hershel (46,460 points)

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