War of the Rineharts: How succession to Lang’s iron ore throne ‘may tear it all apart’ We’re sorry, this service is currently unavailable. Please try again later. Dismiss War of the Rineharts: Bianca Rinehart is challenging her mother Gina to Hancock Prospecting’s Pilbara assets. Credit:Fairfax Media Normal text size Very large text size It is a rare suggestion that Australia’s wealthiest woman Gina Rinehart could lose most of her $35.6 billion iron ore fortune over the price of a few printed court documents, but it is one floated before the West Australian Supreme Court in a bid ...