Tourmaline exists in more colour varieties than any other gemstone. It is believed to transform negativity energy in to positive energy & helps strengthen the mind, body & spirit. Please note that due to the natural quality of the gemstones, the colour is unique to each piece and may vary from the image on our site. Product Details The chain measures 44 cm - 48 cm. The gemstone beads measure 0.2 x 0.2cm.