USA

Tiffany joins top diamond miners in disclosing origins of gemstones

The New York-based jeweller has launched its own program to identify for customers the country where their diamonds were mined, and, eventually, information on where they were cut, polished and set.

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Exports from world’s second-largest copper to drop this year

Concentrate shipments from Indonesia’s Grasberg mine, the world’s second-largest copper mine, will drop about 85% this year because of a lag in output while operations shift from open pit to underground mining, a government official said

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Human activity creates 208 new mineral species

Study shows mining has sparked “unparalleled inorganic compound diversification” like rabbittite at Lucky Strike, Utah and a handful found on smelter walls

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