Jewelry Glossary - V

• Vacuum Casting
  A system of casting with a machine which pulls air and gases from the mold so that molten metal will flow quickly.
  
• V-Dop
  A dop stick with a "V" notch for elongated stones.
  
• Vermeil
  Gold-plated sterling silver.
  
• Vernier
  An auxiliary gauge for a millimeter slide gauge for determining gem depth; a secondary gauge to subdivide small units on the primary gauge.
  
• Vibralap
  Automatic flat lap for processing flats by vibrating.
  
• Vibratory Tumbler
  Rapidly vibrating tumbler with unusually upright hoppers, many of which are open.
  
• Vibro-Graver
  A vibrating electric engraving machine with adjustable stroke.
  
• Vise
  The part of the saw that holds the rock being cut. It often has hardwood jaws.