Amethyst. A variety of crystallized quartz, of a purple or bluish violet color, of different shades. It is much used as a jeweler's stone. In value it is about the same as the garnet.
“Therefore, since we are surrounded by such a great cloud of witnesses, let us throw off everything that hinders and the sin that so easily entangles, and let us run with perseverance the race marked out for us.”
– Hebrews 12:1