Different ingredients. Zichaoqi is a composite mineral composed of silica, alumina and calcium oxide, which contains trace elements and water. Amethyst is mainly composed of silicon dioxide, which is a single mineral. Different colors. Purple Super Seven appears deep purple to light purple in color; Amethyst, on the other hand, is lavender or with white stripes, and its color is relatively mild. Different places of origin. Purple Super Seven is mainly produced in China, the United States, Canada, Australia and other countries and regions. Amethyst is produced in Brazil, Uruguay, Madagascar and other countries and regions. Different functions and uses. Purple Super Seven, also known as Super Seven Crystal, has the functions of purifying energy, strengthening human gas field, enhancing personal energy field and enhancing immunity, but its hardness is relatively low, so it is not suitable for making jewelry. Amethyst has a high hardness and can be used to make jewelry. Different in appearance and shape. The structure of Purple Super Seven is composed of some tiny crystals, which may be primitive crystals, needle crystals, spherical crystals, plate crystals and so on. Amethyst is usually a single block crystal.