Mining in Afghanistan "List of Goods Produced by Child Labor or Forced Labor" in which Afghanistan appeared to be one of the 74 countries with noticeable incidence of child labor in the coal mining field. Afghanistan is known to have exploited its precious and semi-precious gemstone deposits. These deposits include aquamarine, emerald and other varieties of beryl, fluorite, garnet, kunzite, ruby, sapphire, lapis lazuli, topaz, tourmaline, and varieties of quartz. Corundum deposits (sapphire and ruby) in the country are largely exhausted, and very little gem quality material is found. The four main gemstone-producing areas are those of Badakhshan, Jegdalek, Nuristan, and the Panjshir
Gemstone industry in Greenland gemstone ruby. The native inhabitants continued to assist the European explorers with their ruby exploration, leading them to some half dozen locations, spread out for over a hundred miles along the southwest shores of Greenland, known as the Kitaa Coast. Ruby and pink sapphire are the red and pink varieties of the mineral corundum, an aluminum-oxide mineral Al2O3. The pink/red colour is formed in corundum by adding the element chromium to its crystal structure. Spectroscopy of rubies from the Aappaluttoq occurrence in Greenland confirm the presence of chromium as well as showing absorption in the UV region indicating high Fe