Delicate Crystal Necklace | AmethystAmethyst Crystal Necklace Amethyst is the most popular variety of quartz crystals that is considered the most powerful and protective stone. It is a semiprecious violet stone that is often used in jewellery and for healing purposes. It has been sought after throughout the ages for its stunning colours and ability to stimulate the mind and emotions. The North Star is the anchor of the northern sky. It is a landmark, or sky marker, that helps those who