Sapphire, rough and faceted, from the Rock Creek deposit in Montana has become one of the pillar gems of American origin in the global colored gemstone market. Over the past 10 years, Potentate Mining ...

Partnering with CATCH — Sparky Anderson’s Charity for Children — we call it the Outstanding Graduates program.

Canada’s biggest producer is Teck Resources. Its stock was sent on a wild ride, first as copper prices jumped, then as the ...