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
Garnet Hughes and was eventually given command of the newly formed 5th Canadian Division, but it was an administrative post only, since the 5th Division was broken up as soon as it reached England. Its men were sent as reinforcements to replace battle losses in the four other divisions of the Canadian Corps. The 5th Division adopted a coloured formation patch identical in design to that worn by the four combatant divisions of the Canadian Corps. The colour selected for the patch was garnet, in recognition of Hughes' command of the division. With the resignation from the Canadian cabinet of his father