Rio Tinto to launch virtual tour of its Canadian Diavik diamond mine

Copper hit its highest since mid-April on Tuesday as a weaker dollar and hopes Chinese demand will remain firm helped offset investor anxiety over US and European sovereign debt concerns. Three-month copper on the London Metal Exchange (LME) traded at $9,800.25 a tonne by 0825 GMT compared with Monday's close of $9,694 a tonne.

Diamond producer Petra Diamonds on Tuesday reported a 24% increase in gross mine revenue to US$220.6 million for the year ended June 2011, mainly due to the steady increase in rough diamond prices from October 2010. Revenue of US$90.0 million in the

Prime Minister Julia Gillard is reassuring NSW coalminers her carbon tax will not stop their sons from following in their footsteps. Ms Gillard is spruiking her carbon price package in the NSW Hunter Valley today. Image is from MystifyMe Concert Photography (Troy).

Coal Services today announced a reduction of 2.78% to workers’ compensation premium rates for the New South Wales coal mining industry, with the target premium rate set at 3.5% (3.6% in 2010/11). This is the latest in a series of reductions that have seen premium rates fall from a high of 11.5% in 2002/03 to the current rate of 3.5%, equating to almost a 70% reduction over 8 years.

The largest glut of ships in history means the cheapest freight rates relative to iron-ore prices in at least a decade, helping Rio Tinto Group and BHP Billiton Ltd. (BHP) to generate record profit. The cost of transporting iron ore to China from Brazil, the biggest route, is now equal to 10 percent of the value of the commodity used by steelmakers, compared with 64 percent in 2003, according to data compiled by Bloomberg.

Copper and gold miner OZ Minerals will return up to $200 million to shareholders through an on-market buyback, as booming prices for its products continue to generate cash. Photo of copper concentrates being loaded, by OZ Minerals.

Shares of Walter Energy Inc. rose Monday after a Citi analyst began coverage of the coal company by assigning it a "Buy" rating, leading a rally among several coal stocks.

Reuters reports: Shares of Potash Corp and other fertilizer producers ebbed on Monday despite bullish industry data as a decline in U.S. corn and wheat prices signaled weaker demand for crop nutrients. PotashCorp said on its website that potash inventories at the end of June fell more than 270,000 tonnes from the previous month, with North American inventories about 26% below the prior 5-year average.

WOLFSBURG Russia is offering Germany closer cooperation on rare earths as well as gas and oil supplies, a Russian official said on Monday ahead of an annual bilateral summit in Germany. Berlin has been trying to improve German industry's access to the