Having chills refers to feeling excessively cold, even when you are wearing warm clothing or are wrapped in blankets. When you have the chills, you may also be shivering or look pale. Chills are often related to fever, an increase in body temperature above normal (98.6 degrees Fahrenheit). Fever is a sign of inflammation or infection in the body.
Amethyst is a well known mineral and gemstone. It is the purple variety of the mineral Quartz, and its most valuable and prized variety.Its name derives from the Greek amethystos, which means not drunken, as Amethyst in antiquity was thought to ward off drunkenness.hen used as a gemstone, Amethyst is often heat treated to deepen the color, or to transform it into Citrine. Some varieties may also change to a light green color, which is given the trade name Prasiolite, or Green Amethyst, as it is more commonly known in the gem trade.
Amethyst-The Color, Shapes, and Sizes. Amethyst is a beautiful stone that is in the quartz family. Amethyst is the most precious quartz mineral and comes in a few distinct colors including violet, purple, rose, lavender and mauve.methyst is a type of quartz that is extremely popular and used mainly for ornamental jewelry. Amethyst usually comes in beautiful hues of violent and purple. Sometimes it might be a lavender or pink. However the most sought after Amethyst are those that have a deep purple hue.