The Northwest Territories’ three diamond mines – Rio Tinto’s Diavik Diamond Mine, De Beers Group and Mountain Province Diamonds’ Gahcho Kué Diamond Mine, and Burgundy Diamond Mines’ Ekati Diamond Mine ...
The steps between the minerals are not evenly spaced. For example, diamond is only one number away, but it’s many times harder than gems in the corundum family. Because of its basal cleavage, topaz ...