1) Zinc mineral 
Renierite, (Cu,Zn)11(Ge,As)2Fe4S16 is a rare copper zinc germanium bearing sulfide mineral. It occurs at the Kipushi Mine, Democratic Republic of the Congo; and Namibia, among other places. Renierite was named after Armand Renier, a Belgian geologist and Director of the Belgian Geological Survey. == References == ...