It is a white shiny and transparent stone also called Quartz .According to Astrology , Sphatik (quartz) is related to Venus. It is a substitute of Diamond. Quartz gems are popular among gem therapists because they produce electrochemical balance in the body and remove anxiety, and make one calm and aid in concentrating. Using a rosary made from Sphatik gives concentration, cools the body, and calms the mind. Wearing a crystal mala ensures a sound and undisturbed sleep.