2012 Mining Billionaires: #5 Iris Fontbona, #6 Alberto Bailleres Gonzalez

#5 Iris Fontbona Iris Fontbona (pictured) is the widow of Andronico Luksic and her wealth stems from the copper giant Antofagasta. According to Forbes she and her family is worth $17.8 billion, number 32 on the 2012 list of billionaires...