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could this be native platinum??

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So i found this rock, some 13 years ago, on a beach in California... not a highly populated area... I would really like to know what it is.... it is not attracted to a magnet, even a high powered one... it retains heat like a sun of a gun, tried to melt this guy with some heat and its been 10 mins and its still super hot to the touch.. it does not oxidize what so ever under heating conditions, there is also some type of white rock as well as some harder black rock embedded with this thing.. its not super heavy, but not light either

asked Feb 4, 2016 by norcalguy (120 points)

1 Answer

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The look could definitely indicate platinum, though it would be highly rare and unusual to find it a CA beach. See if it conducts electricity. Platinum is also extremely heavy - you mentioned an average weight which would likely discount platinum though.
answered Feb 19, 2016 by hershel (51,320 points)

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