Gina Rinehart, in a still taken from video.

Meet Gina Rinehart. Born Georgina Hope Hancock, Rinehart is heir to her father’s fortune built at Hancock Prospecting in Australia, where Rinehart remains as executive chair. Hancock Prospecting holds the rights to the world’s largest iron ore deposit and has made Rinehart the richest woman in the world, sitting on a fortune of almost $30 billion USD.

Yesterday, Rinehart lost her cool.

Asia’s richest woman, mining magnate Gina Rinehart, warned on Wednesday that Australia was becoming too expensive for mining firms which she said could hire workers for under $2 a day in Africa.