Sigma welcome, This pendant is a special combination of all nine planetary gemstones known as navratna gems. Navratna is a Sanskrit word which means " Nine gems" and is related to the nine planets. The world nava means " Nine" and ratan means " gem" each gemstone is related to one graha among the navgraha. He presence of the nine gemstone reduces the negative impact of the nine planets on the lives of the wearer.Regular usage of the pendant promotes positive.