A troy ounce bar of gold is worth a hefty sum of money, but the same amount of this mineral is worth over a hundred million times more.

Take a look at the most expensive bottled water brands in the world that will revolutionise the world of premium hydration.

The red diamond tops the list as the most expensive Diamond in the world that ... This borosilicate mineral gets formed in aluminum-rich, boron-bearing rocks. Because it is rarely found in gem ...

However, driven by weak China steel end-user demand and slower global growth, most other ... are generally expensive, with Barrick the exception. In our iron ore coverage, Mineral Resources ...