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
Thomas Garnet Thomas Garnet Saint Thomas Garnet (c.1575 – 23 June 1608) was a Jesuit priest who was executed in London. He is the protomartyr (i.e., the first martyr associated with a place) of Saint Omer and therefore of Stonyhurst College. He was executed at Tyburn and is one of the Forty Martyrs of England and Wales. Thomas Garnet was born into a prominent family in Southwark. His uncle, Henry Garnet, was the superior of the Jesuits in England. Richard Garnet, Thomas's father, was at Balliol College, Oxford, at the time when great severity began to be used against Catholics. His example