Welcome to Rio Tinto Minerals

Rio Tinto Minerals is a global leader in industrial mineral supply and science. We provide nearly half the world's supply of refined borates, remarkable minerals that are essential to life and to modern living. A part of the Rio Tinto Group, a premiere international mining and resources company, we serve more than 1,000 customers in 100 countries who rely on borates to create an extraordinarily diverse range of products.

Rio Tinto Minerals distinguishes itself through cutting-edge research and development; world-class safety, environmental and community practices; and a commitment to constant innovation and improvement.


Rio Tinto Minerals supplies nearly half the global demand for refined borates, key ingredients in fiberglass, glass, ceramics, fertilizers, wood preservatives and hundreds of other products.

20 Mule Team Borax

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