The odd customer has asked me about the ethical source of the raw materials.
Are all precious metals the same in this regard - not just gold - as I can see that the same problems occur for them all - untraceable raw supply chain (some sources must be very tiny and their output just included with the materials from larger operations geographically close to them) and mixed with recycled metal too?
It's the answer I've been giving as it was explained to me this way a little while ago, by a geologist who owns a gold mine.
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