James Mulolo, the project coordinator based at the Africa Institute in South Africa’s capital Pretoria, said mercury is highly used in small-scale gold mining because in its physicochemical nature (neighbour with gold in the periodic table of elements), there is affinity between the two elements.
The attraction of gold particles by mercury makes it quick and easy to use.
Mercury is easily transportable and can be used independently and quickly by miners.
It is also relatively effective in capturing gold when there is no alternative (even if it only captures 40 percent of the total gold).
read more... http://www.daily-mail.co.zm/gold-mining-to-transform-rufunsa-district/
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