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.
Februaryâs birthstone, the amethyst, was the stone of royalty, representing power. Februaryâs birthstone is the amethyst. Amethysts contain the second most abundant mineral found in Earthâs crust â quartz. Quartz is often found lining the insides of geodes. So itâs no wonder that geodes sometimes contain amethysts, too. Like quartz, amethysts are a transparent form of silicon dioxide (SiO2).