his rounded rectangular Optical Calcite palm stone is polished to smooth, shiny finish. Rubbing your thumb across the stone, as you would with a worry stone, can bring relief from stress and anxiety. Rounded rectangular is a useful shape for use in healing practices including meditation and Chakra realignment. Colouring ranges from white to clear, to a slightly yellow hue as shown in image 1. Each palm stone is roughly 40mmx30mm