Rio Tinto’s $10.7b deal for Arcadium Lithium comprehensively wins shareholder vote admin 2 days ago USA Update Comments Off on Rio Tinto’s $10.7b deal for Arcadium Lithium comprehensively wins shareholder vote 3 Views Argentina is poised to grow as a lithium hub after Rio Tinto took a big step in cementing its $US6.7 billion ($10.7b) acquisition of Arcadium Lithium. Share Facebook Twitter Stumbleupon LinkedIn Pinterest