Ian Everard warns of a looming precious metals supply crunch. He highlights manipulated markets, dwindling silver stocks, and ...

The action of chlorine on rhenium metal gives rhenium pentachloride, which may be readily decomposed to the trichloride by heating it in a stream of nitrogen 1. Rhenium tetrachloride is unknown.

The term "rare" refers to the supposed scarcity of these minerals and "earth" comes from an old name for oxides, the chemical form for these elements in the mineral ...

MOSCOW. Feb 25 (Interfax) - Russia's reserves of 29 types of rare metals currently total 658 million tonnes, the Natural Resources Ministry said. "These reserves are sufficient for both the current ...

To obtain an ounce of rhenium, for example, you need 120 tons of copper ore ... As it happens, China controls about 40 per cent of rare metal production, though places such as Afghanistan are also ...

and a molybdenum concentrate (containing payable rhenium). Phase 1 delivers a short payback period of 1.9 years and strong operating cash flows (net of sustaining capital) of approximately $400 ...