Former market darling and Indonesian nickel victim Chalice Mining (ASX:CHN) has seen its shares jump nearly 7% in Thursday trades after Putin threatened to ban exports from his country across a basket of minerals. The company wants to mine nickel (EV batteries,) copper (decarbonisation tech) and palladium (a critical mineral used in desalination which could fuel green hydrogen production.) Putin specifically singled out nickel in his statements on Russian state-run TV on Wednesday night, so, it’s not hard to reverse-engineer the value proposition driving the psychology behind that share price …