Riverstone is also known as Nicomar and is a variety of Limestone, prized for its clean lines and subtle patterns. Riverstone promotes relaxation and an easy going attitude. It also helps you cope with changes associated with a particular process, such as a therapy or cleansing. When used as an adjunct to meditation, Riverstone energizes your whole being and helps you make the changes that lead to greater spiritual experiences. Riverstone is associated with the Root Chakra.