Herkimer diamond quartz on sterling silver. 1 1/4" long from top of wire to bottom of quartz. Herkimers are 1/4"-3/8" wide.
A double-terminated quartz that makes it have multiple “faces” that join in diamond-like patterns. Herkimer diamonds are rated seven on a 10-point hardness scale as compared to the diamond, which rates 10. Geologists believe Herkimer diamonds began forming inside crevices in a shallow sea almost a half a billion years ago.