Gemstones/Accents All natural Onyx Mother of Pearl Lustrous black white color Pendant pure sterling silver with .925 stamp 2.15 grams dimension: 1 1/8 x 1 1/8 inches collector's chessboard design Mother of Pearl is believed to stimulate intuition, sensitivity, imagination and adaptability, and help with clarity in decision-making. It also symbolizes faith, charity and innocence. This piece shows excellent craftmanship and has a one of a kind design