Pachu Stone is a green-colored gem, commonly known as Emerald, is believed to bring wisdom, growth and academic success. Light to dark green hues, this astro gemstone is considered to stimulate the heart chakra and soothing of the spirit. Associated with Mercury, Pachu is considered one of the best 20th wedding anniversary gifts. Not only for its astrological brilliance, Pachu stone is also known in the jewelry world, because of its smooth inclusions, which makes it a unique centerpiece for luxe jewelry. Other names used for Pachu stone are Budh Ratna, Panna Stone and Green Emerald.