After a day’s work the men take the buckets home to a nearby informal settlement. Here, they put mercury, which they buy in small bottles from muthi shops, into the mixture with washing powder, vinegar and tartaric acid. Eventually the water is drained out of the buckets, leaving the gold.
read more... https://www.timeslive.co.za/news/south-africa/2019-02-14-one-does-not-need-a-passport-to-extract-gold-says-informal-miner/
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