5 Richest Billionaires in Metals and Mining Industry

4. Iris Fontbona

Net Worth: $28.7 Billion

Iris Fontbona obtained fortune from her late husband, Andrónico Luksic, who built his mining and beverages empire. Fontbona and her children control Antofagasta plc (LON:ANTO). Iris Fontbona also has a majority stake in Chilean conglomerate, Quiñenco.