I found this in some clay and sand, and took it to a jewler. The sample looks like silver with gold. They are in flakes easy to bend. they sink fast in water.he used nitric acid and the stuff did not desolve. then conc. nitric and nothing. He put flame to it but did not use borax. It burnt some away but made a small ball, black looking but kinda hard. I would be gratefull fr any help...
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