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
Henry Garnet happened and so Salisbury said that Garnet could easily have alerted the government. Salisbury attacked the idea that it had ever been made under the seal of the confessional, and claimed anyway that Garnet could have warned the authorities after his more ordinary conversation with Catesby about the death of innocents; the priest replied by saying that at the time, he did not understand the relevance of Catesby's questions. The Earl of Northampton said, in Latin, ""quod non-prohibet cum potest, jubet"" (what a man does not forbid when he can, he orders). Garnet's defence, that he had forbidden Catesby from