These are beautiful 6mm highly polished Phosphosiderite rondell beads. Each rondell bead is unique in it's warm shade of lavender. The diameter of these Phospohsiderite beads is 6mm, and the thickness of each bead does vary slightly. Phosphosiderite is very hard to come by and these are limited, so don't delay. Phosphosiderite is known as the stone of healing and hope. Who can't use a little bit of that in their lives.