âI would say we donât need hope,â Mason said. âWe have a great asset; we actually have a great partner [Rio Tinto] â when their eyes are on the ball â and Iâm pretty sure weâre going to resolve this.â Mason said the board was not sitting on their hands and discussions were ongoing. He hopes for a positive outcome come after some scathing criticism of Rio Tinto. âBait and switchâ tactics In a recent media release, he said the board would not allow Rio Tinto to add Star Diamond and its shareholders ââ¦to the unfortunately growing list of junior mining companies that fall victim to Rio Tintoâs bait and switch approachâ¦â