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 Army also given the opportunity to purchase the T-shirts before home games. Only students are given official Garnet Army T-shirts. In January 2011 Garnet and Black Traditions began selling "Garnet Army Reserves" shirts to the public. Other gear that has become custom for the Garnet Army includes: Garnet combat helmets, garnet army hats, army combat boots, garnet & black camo body paint. Another tradition developed by Coach Horn, was initiated in 2009 to indoctrinate the students into a unified and intimidating force. At the Garnet Army Boot Camp, students were able to interact with players and coaches, and gather knowledge on