Introduction to Crystal Guanyin: Crystal is a directional six-sided cone-shaped ore that grows in clusters in the form of crystals. It usually has purple, yellow, brown or colorless colors. Those with good transparency are top grade. It grows on silica quartz mineral rock and takes about 10,000 years to grow one centimeter. It is a living mineral that will grow. It is said that this kind of ore is the chip used by the sky to remember the history of species. It is a rare treasure of the earth for hundreds of millions of years, an elf in the stone that leads to the universe.