The bits are in high demand by wealthy collectors willing to pay about $17 for a 2 cm piece.

The United States, Canada, Australia and New Zealand also have their own-targeted measures against the African leader and his inner circle.

The mining giant's profit is expected to slide for the third consecutive on Wednesday, driven mainly by last year's plummeting iron-ore price.

Projected production increase is unlikely to meet rising demand, industry analysts say.

Trend started at the end 
of January and it is likely to continue.

The move would drop the number of FTSE 100 with all-male boards to five.

Close to 40 masked intruders stormed into the Skouries project's facilities, causing extensive damage with firebombs and flammable liquid.

How much do you think you know about mining? We typically think of there being theoretical and practical knowledge. Then there’s common sense – or what we often refer to as street smarts. The most rounded and successful individuals in mining tend to be those that have all three. Street smarts provide you with a worldly common sense of how to operate in mining’s everyday life. A street smart individual listens, understands, operates and communicates with confidence.  In mining terms, this would be a sound knowledge of the many key and current entities in mining, from the people, to the mines, to the disasters and events.

The mine is one of the world's biggest copper-zinc pits.