This is a Handmade Gemstone Necklace Jasper Stone Knotted by hand It has a knot Between each stone for protection (NOT like those Necklace that will break easily and then you will have all the stones on the floor) Each stone is an 8mm round Jasper Stone Length 20? Beautiful, comfortable and fashionable. Energy workers have used Grey Jasper as a stone for dissolving melancholy energy and whisking away negativity. For those who work in high stress environments, grey jasper is thought to be great for absorbing and dissipating stress.