Brazil’s new mining code rules rolled out

Perfecting a strategy honed with copper and gold, Dan Gertler sells back to the DRC an oil block for $150 million acquired 7 years before for $500,000.

The bill generally adds certain requirements to the application for conversion, most of which codify existing industry best practices.

Value of the freshly unearthed rare gem could easily exceed $60 million.

The process, which will include public consultation, could allow the firm to open the so-called “Tango Extension” in 2018.

Israel's polished diamond exports rose by 12% over the past year, after a 23% dip in 2012.

From now on every microprocessor the company uses will be made entirely with conflict-free minerals.

Authorities are calling them the "the billion dollar diamond fields," though little exploration has taken place so far.

Your willingness to buy a stock should not be diminished by the fact that it has fallen in price. In everyday purchases, we want to buy things that are selling at discounts. In investing, people tend to prefer stocks when they are expensive and hate them when they are cheap.

"We have developed a device, in close cooperation with the Faculty of Chemistry of one of the world's leading academic institutions that screens colourless diamonds, in all sizes, shapes and quantities, with a 100 percent success rate...