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.
These are some of the Amethysts that are from Brazil http://www.crystal-world.com/html/mining/international/brazil.htm. Amethyst in the U.S.: There are many places in the U.S. where you can locate the amethyst crystal. Some of the places are Maine, Pennsylvania, and North Carolina to Montana, Colorado and Arizona.icture credited to Four Peaks Arizona. This is a picture of what an Amethyst looks like before it is cut and facetted. In this picture you are able to see the reddish purple gem with hematite crystal points. Uruguay Amethyst: The amethyst that you find here are mined in large vugs, or volcanic pockets.