On the side of artisanal and small-scale mining with Roman Rubin Black Tusk Mining (15% of newly mined gold), the use of mercury is also problematic and massive. It is estimated that for one kilogram of ASGM gold, 3 kilograms of mercury are used. So, at first glance, recycled gold is the only solution for ethical jewelers to disengage from the dirty image of mining. But using only recycled gold, which was originally mined, is quite selfish because it does not help to mine to be more responsible.
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