Amethyst is a transparent, coarse-grained, purple variety of quartz (SiO2) and has long been a the most important quartz variety used in jewelry. The presence of manganese in quartz produces this characteristic purple color.Purple color has long been considered a royal color so it is not surprising that amethyst has been so popular throughout history.Amethyst, transparent purple quartz, is the most important quartz variety used in jewelry. Amethyst was thought to encourage celibacy.
Amethyst is mined in Brazil, Uruguay, Bolivia and Argentina and some African countries. Generally, amethyst from South America tends to be available in larger sizes than African amethyst but amethyst from Africa has the reputation for having better, more saturated, color in small sizes. Very dark amethyst, mostly in small sizes, is also mined in Australia
Amethyst is mined in Brazil, Uruguay, Bolivia and Argentina and some African countries. Generally, amethyst from South America tends to be available in larger sizes than African amethyst but amethyst from Africa has the reputation for having better, more saturated, color in small sizes. Very dark amethyst, mostly in small sizes, is also mined in Australia
Cats Eye Stone (Lahasunia)-Ketu
Cat's Eye harmonizes Ketu which is traditionally known as the "tail of the dragon". In Jyotish, Ketu is the descending node of Chandra (Moon). It's influences are similar to Mangal or Mars and include liberation, abstract thinking, asceticism, non-attachment.This protects its wearer from hidden enemies, mysterious dangers and diseases. It is normally milky in colour. The gem is very hot in nature. In the event that it does not suit the wearer, the gem sometimes gives immediate signals like uneasiness, restlessness etc. Cat's Eye is supposed to counter the evil effects of Ketu and diseases caused by Mars. It is also called Lehsuniya or Lahsuniya Stone.For More information about Your Birth stones by Month visit site