(CNBC) Gina Rinehart seems to court controversy – from her family lawsuits to her battles with Australian media.

Now, the Australian mining heiress, worth $19 billion and earlier this year thought to be the world’s richest woman, has sparked another controversy in her latest column in Australian Resources and Investment magazine. Rinehart rails against class warfare and says the non-rich should stop attacking the rich and go to work.

“There is no monopoly on becoming a millionaire,” she writes. “If you’re jealous of those with more money, don’t just sit there and complain. Do something to make more money yourself – spend less time drinking, or smoking and socializing and more time working.”

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