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Chemistry, 08.01.2020 09:31 miafluellen
Ihave a sample of galena. it appears there may be some gold in it. it is a piece of raw ore so i took it to a metallurgist and that’s what he said.
is that possible?
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Ihave a sample of galena. it appears there may be some gold in it. it is a piece of raw ore so i too...
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