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
The Genius: Black Garnet the dealers for them to safeguard, and the winner of the death match would have his/her garnets given back to him/her. Black Garnets Season 3 showcased a new addition in the garnet pool: Black Garnets. Players that had won a death match would receive a black garnet. It may also be used like a garnet (such as in trading and/or deals with players) but may not be used in biddings (with the use of garnets). In episode 10, each black garnet was converted to 2 garnets (worth 2,000,000 won or 2,000 USD). Black Missions Players that had 3 black garnets