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Figure 25. Several of the Diavik diamonds exhibited dark inclusions, presumably sulfide minerals. Photos by Jian Xin (Jae) Liao.
Figure 24. Representative colors of Diavik rough diamonds, ranging from colorless to brown to yellow with one pink crystal. Also shown are several coated crystals. Photos by Jian Xin (Jae) Liao.
Figure 23. Rio Tinto markets its Diavik rough diamonds from a sales office in Antwerp. Photo courtesy of Rio Tinto Diamonds.
Figure 7. This cross-section illustrates the design of the water retention dikes that were built around the kimberlite pipes to allow open-pit and underground mining operations. Construction of the dike beneath the lake and across small islands presented engineering challenges. Diagram courtesy of Diavik Diamond Mine.
Figure 20. This diagram illustrates the steps in processing the bulk kimberlite ore to recover the diamonds. Courtesy of Diavik Diamond Mine.
Figure 13. A computer-generated plan of the underground workings that lie below the two open pits of A154 (left) and A418 (right). The workings shown in black are existing tunnels, whereas those in blue-green represent future tunnels that have not yet been installed to reach lower portions of the kimberlite pipes. The long straight tunnel that slopes upward to the right side of the image is the access tunnel. Image courtesy of Diavik Diamond Mine.
