Monday, September 2, 2013

Jewelry Glossary - Z

  • Zam
    A buffing compound similar to rouge.
  • Zinc Lap
    A faceting lap for corundum.
  • Zirconium Oxide
    A polishing agent similar to cerium oxide.
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Jewelry Glossary - Y

  • Yellow Ochre
    A solution that is painted on jewelry parts that need to be kept cool during soldering.
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Jewelry Glossary - W

  • Water-Soluble Wax
    Wax used as a foundation for building a wax model for a piece of jewelry which will appear heavy or bulky but will actually be quite thin. The foundation wax is dissolved before the casting.
  • Wax Lap
    A lap coated with wax for polishing soft materials.
  • Wax Pen
    An electric pen for making wax models that keeps the wax melted, to be released through a trigger tip.
  • Wax Pot
    Electric pot for keeping wax at the proper temperature for making models for casting.
  • Wax Wire
    Round wax wires of different gauges, which can be twisted and bent into designs for wax jewelry models.
  • Wet Belt Sander
    Complete, ready-to-use sander for cabs and flats.
  • Wet-or-Dry Belts
    Silicon carbide sanding belts.
  • Wheel Cement
    A bonding agent for abrasive discs or polishing pads.
  • White Diamond
    A fine tripoli polish.
  • White Oil
    A preferred cutting oil for slab saws.
  • Winding Jig
    Metal or hardwood jig with wire protrusions for winding filigree wire into intricate designs, which are then removed from the jig by a lifting plate.
  • Wire Saw
    An iron, diamond-charged saw blade, straight rather than circular.
  • Work Hardened
    Metal which has been worked gets increasingly harder, so that it must be annealed to maintain its workability.
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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.
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Jewelry Glossary - U

  • Ultralap
    A plastic lap embedded with abrasive or polishing agents.
  • Ultrasonic Cleaners
    Machines filled with cleaning solution which vibrate at high frequencies.
  • Ultrasonic Drill
    A high-tech, fast-vibrating drill with electronically supplied abrasives.
  • Undercut
    The property of some fibrous or granular gems to develop small pits during sanding and/or polishing.
  • Uniaxial
    Stones with one optic axis.
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Jewelry Glossary - T

  • Table
    The flat facet on the top of a faceted gem.
  • Tang
    The end of a graver or file which fits into the handle.
  • Tank
    Reservoir. The pan for holding the coolant/lubricat of a slab saw.
  • Taps
    Metal taps with matching dies are used for threading items such as ear screws.
  • Template
    Sheets of plastic or metal with cutouts of various sizes and shapes of cabochons for outlining on stone.
  • Tensile Strength
    The property of a metal to be stretched without tearing apart.
  • Third Hand
    A stand for holding items to be soldered.
  • Thrumming
    Buffing inaccessible areas with a string or cord.
  • Tiffany Mount
    A prong setting for a faceted stone mounted on top of the ring shank, allowing more light.
  • Tiger Tail
    Nylon-coated bead wire.
  • Tin Lap
    A soft metal lap used for faceting.
  • Tin Oxide
    A popular polishing powder.
  • Titanium
    Lightweight refractory metal used for contemporary jewelry.
  • Torpedo Clasp
    Also barrel clasp. Metal parts screw together for a lock.
  • Toughness
    The property of structural particles of a gem material to cling together to avoid breakage.
  • Transfer Block
    Also transfer jig. The block which makes it possible to align dopsticks for transferring a gem being faceted.
  • Translucent
    Gem material which transmits light but is not clear enough to see through.
  • Transparent
    Gem material in which the interior can easily be seen and which one can see through when it is held to the light.
  • Tri-Color Gold
    Jewelry made with three colors of gold -- yellow gold, rose gold, and green gold (usually).
  • Tri-Cord Knotter
    A device for making quick, uniform knots in necklaces of pearls or other beads.
  • Trilliant
    A modern, curved triangular brilliant cut, originally 44 facets.
  • Trim Saw
    An electric saw for rough shaping of cabochon blanks from slabs of gem material.
  • Tripoli
    Silicon dioxide polishing powder.
  • Trivet
    A metal stand used to hold work during the process of fusing (such as enamel) to metal.
  • Troy Weight
    System of weight for precious metals. One troy ounce equals 1.10 avoirdupois ounces.
  • Tubing
    Formed by pulling a metal strip through a drawplate and used for hinges, clasps, and links.
  • Tufa
    Porous rock formed as a deposit from springs or streams.
  • Tumbler
    A rotary or vibratory machine which will produce finished stones from tumbling rough.
  • Tumbler Charges
    Measured grits, powders, and sometimes additives used in the tumbling process.
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Jewelry Glossary - S

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