“A protective oxide layer naturally forms on cobalt, a shiny silver-gray metal, to prevent it from rusting due to oxidation. Like nickel, cobalt is only found in nature in chemically combined ...

The price of cobalt has fallen so far over the last couple of years that even Congo's artisanal miners have given up on the ...

The Stroton cobalt bits for metal featured a round shank with a low ... The test materials included scraps of .25 sheet ...

It’s also reviving memories from almost a decade ago, when funds including Pala Investments took advantage of weak cobalt prices to buy up piles of metal in a bet on the nascent energy transition.