Green Tourmaline Crystal in Quartz Ring, 925 Sterling Silver, Size 8.5A lovely well formed Green Tourmaline Crystal embedded in a clear to milky Quartz Matrix. The raw material has been carved into an oval shape and bezel set as a ring. The back is open so there's no barrier between the energy of stone and bearer. The band has been split as it joins the bezel which makes for a much more stable and comfortable fit on the finger. That perfect green tourmaline would have formed first and then as temperatures dropped the