Rio Tinto inaugurates A21 diamond pipe at Diavik Diamond Mine in Canada
Global mining company Rio Tinto has officially opened a new diamond pipe named A21, built with an investment of $350 million, at the Diavik Diamond Mine in Canada. A21 is now the fourth diamond pipe at the Diavik Diamond Mine which is located is located on a 20 km2 island at the Lac de Gras […]