Are you selling under-karated jewellery?

When Greg Merrall's students called him over to look at what they'd found, he knew right away it certainly wasn't silver. Although the coins they had purchased from a Toronto supplier carried the appropriate stamp, once melted, the metal neither looked like 999 silver nor acted like it.
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Rio Tinto gifts its shares in Pebble Mine

Mining giant Rio Tinto has given away its stake in the Pebble Mine project. "By giving our shares to two respected Alaskan charities, we are ensuring that Alaskans will have a say in Pebble's future development and that any economic benefit supports Alaska's ability to attract investment that creates...
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