Different types of spoil heaps at site 9 in Wadi el-Hudi: At the left is a “red” heap, originating from a place in the mine with particularly red granite, in the middle is a mixed heap from the main part of the mine, in the background are large stone blocks from this mine, as well as fine debris at the top. The latter is a workplace for splitting amethyst from quartz. Photo by Per Storemyr