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Pentlandite ? or even Argentopentlandite because maybe silver present rock on the red brick

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asked Nov 3, 2015 by Cledith Charles Adki (180 points)

1 Answer

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You are asking for identification on a poor image without providing any details or background information. Please provide some details and perhaps some close ups and we can try to assist you.
answered Nov 11, 2015 by hershel (49,730 points)