Tourmalated Quartz Signet- size 6This gorgeous, faceted tourmalated quartz sits in a sterling silver setting, carved by hand around the stone. Tourmalated quartz is black tourmaline encased in quartz, and this stone is like a forest of gorgeous black tourmaline threads. The setting was lovingly carved out of wax and cast into silver. This ring is so lovely on its own, or when stacked with our Flat Signet or Triangular Signet. Size 6. Sterling silver Tourmalated quartz gemstone