Quartz crystal was once believed to be an eternal ice sent by the heavenly gods. Until the late 1500s, many scholars thought this stone was fossilized ice. Quartz crystal is actually a mineral, one of the most abundant minerals in the Earth's continental crust, composed of silicon and oxygen.
Quartz can be icy clear or have inclusions, veils, bubbles and various colors. It is also known as rock crystal, crystal quartz, universal crystal or clear quartz.
