Please note that on large heavy specimens crystal tips are extremely likely to have extraction damage on outer edges or extended crystal tips. Brazilian vugs can be very large and form crystals that are pale lavender to dark purple in color. Some of the vugs form from trees that were engulfed in a lava flow while other vugs are gas bubbles trapped in the lava. One of the best websites we have found to help "Identify the Location" your specimens came from is have an excellent section describing the specimen formations from most of the source locales for Amethyst such as Uruguay, Brazil, Thunder Bay Canada, Mexico and Africaīrazilian Amethyst crystals are attractive to look at and form in drusy coatings that line the inside of sometimes large volcanic pockets or “vugs”. The natural geothermal heating sometimes creates multi-color stones, like the specimens found in Bolivia, a variety called Ametrine. Smoky colored stones can be transformed to a yellow to brownish-red and clear ones may become yellow. The color of certain varieties can change to a light green color, which is called "Prasiolite". Amethyst is sometimes heat treated to deepen its color, or to transform it into Citrine. ![]() Amethyst changes color when it is heated. The color of some Amethyst may slowly fade upon constant exposure to light. If this stone were not so readily available it would be extremely expensive based upon demand. Moses described it as a symbol of the Spirit of God in the official robes of the High Priest of the Jews. This gemstone is also said to protect its wearer against seduction. ![]() Its name derives from the Greek "amethystos", which means "not drunken", as Amethyst in ages past was thought to ward off drunkenness. ![]() They are visually stunning and have been in demand for many centuries.
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