The Bangle is Quartzose jadeTian Shan Cui, also known as Yinshan Cuiyu, is a precious type of jade that is produced in the Zharutai Mountains of Inner Mongolia's geological axis and the Tian Shan Mountains in China. Formation It was formed by silicon - rich sedimentation on the seabed 1.8 to 2.4 billion years ago, followed by multiple geological tectonic movements and the infiltration of chromium - containing hydrothermal fluids. Characteristics Texture: Tian Shan Cui has a dense quartzite structure, being very hard and tough. It is resistant to acid, alkali, and various weather conditions. Color: It has three basic colors: white, cyan, and green. There are also some transitional colors, such as bluish - white, gray - white, pea - green, and dark - green. Transparency: It is a micro - transparent material. Under normal light, it can transmit light, but the object behind it cannot be seen clearly. Similarity to Jadeite Tian Shan Cui is similar to jadeite in terms of hardness and density, which are rarely seen among Chinese jade varieties. After being polished, it is delicate and warm, with a bright color. It has the reputation of "inferior to jadeite" and is a very precious mid - to - high - grade jade. Uses Symbolism Tian Shan Cui is endowed with the symbols of strength, loyalty, passion, beauty, success, and good luck. It is not only a kind of rare gemstone, but also carries a profound cultural meaning and spiritual connotation