Blue Quartz Pendant - Shape: Chinese PI or Donut 40mm Description of the Blue Quartz pendant in the shape of a Chinese pi or donut Quartz that can also be found under the name of “rock crystal” is of great importance in the world of lithotherapy. Moreover, it is recommended to recharge your multiple stones on a quartz cluster. Quartz is found in large quantities on all continents of the world so all civilizations have been able to create legends around ore. Ancient philosophers believed that stone was a piece of ice that could not thaw. For the Japanese, quartz symbolizes purity and they took the stone for a living being able to breathe. Native Americans use quartz to elevate themselves spiritually. As for Christians, they think that quartz is the Immaculate Conception. According to Indian experts, quartz is an embryo that will transform into a diamond after several years of maturation. France Mine