Druzy Quartz Blue Oval 18mm x 13mm Engraving Blocks This disc is made from

This disc is made from 100 micron (standard grit) diamond material

The steel ring finger gauges come calibrated to the ring stick

Smooth taper from 4

729 – Busch Fig 413 Setting Bur

For maximum brightness

Druzy Quartz Blue Oval 18mm x 13mm Engraving Blocks This disc is made fromDruzy Quartz adds a colorful, glittery texture to any jewelry at an affordable cost. The term "Druzy" refers to clusters of tiny crystals that form within or on the surface of other minerals. While quartz is the most common gemstone seen with druzy crystals, it can grow on the surface of any mineral. Druzy is also commonly spelled as "Drusy" or "Druse." Features Blue oval cabochon measuring 18mm x 13mm Natural quartz with a surface of tiny, light