Klerksdorp sphere - WikipediaKlerksdorp spheres are small objects, often spherical to disc-shaped, that have been collected by miners and rockhounds from 3-billion-year-old .. Similarly, the claims that these objects consist of metal, i.e. ".a nickel-steel alloy which . from which these objects came, as the "Wonderstone Silver Mine" is evidence that these.little silver metal balls in gold mining,A Forecast of When We'll Run Out of Each Metal - Visual CapitalistSep 4, 2014 . If the gold price doubles, then suddenly it is economic to mine more. . for cheap and cash in in the future when there is little to no silver being mined. . (i.e. building computers to use in slurry mixes polishing ball bearings but.
little silver metal balls in gold mining