Keep a minimum of a good five car length from the car in front of you. You never know what other drivers are going to do or what could happen to you! If that feels too close or too far a rule of thumb is 1 second of following distance per 10 mph (16 km/h). That holds true especially in bad weather.
It is also found and mined in South Korea. The largest opencast amethyst vein in the world is in Maissau, Lower Austria. Much fine amethyst comes from Russia, especially from near Mursinka in the Ekaterinburg district, where it occurs in drusy cavities in granitic rocks. Many localities in south India yield amethyst.
In Germany, there are many areas where Amethyst have been found including the Idar-Oberstein district in Germany and Russia also has some deposits, mainly near the Ural Mountains. In the United States, Amethyst can be found, however it is usually not jewelry grade.methyst can be found all around the world, however the major deposits of Amethyst are found in southern Brazil, Uruguay and Madagascar. Amethyst found in Southern Brazil are usually light violet.