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Mystery Colorado Specimen

Terry Soloman

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Fella calls me today and asked me if I could help him identify his "gold specimen." He says the gold tests out as gold, not pyrite, and that the host rock is not magnetic. It's heavy. It was found in Colorado 10-years ago, and he wants to know what the host rock is. What do you guys think?


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Specific gravity test is in your future. Looks light to be gold laden at 3+ lbs for that size a rock? Laying on of hands is the real test for me as after 55+ years the old hands can tell with amazing accuracy-John :arrowheadsmiley:

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I've got specimen that is identical to that .. It has a tiny bit of gold, and is very heavy, but most of the "gold" showing is chalcopyrite ... Cheers, Unc

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