Jewelers

Fabricate and repair jewelry articles.

Job Task

• Arranges jewelry pieces into specified design, softens metal by heating with gas torch, and shapes, using hammer and die.
• Estimates wholesale and retail value of gemstones, following price guides and market fluctuations.
• Grades stones for color, perfection, and quality of cut.
• Immerses gemstones in chemical solutions to determine specific gravity and key properties for identification and appraisal.
• Examines gemstone surfaces and internal structure to evaluate genuineness, quality, and value, using polariscope, refractometer, and other optical instruments.
• Pours molten metal into mold, or operates centrifugal casting machine, to cast article.
• Forms sand or rubber mold from model for casting article.
• Places model in casting ring, and pours plaster into ring to form mold.
• Forms model of article from wax or metal, using carving tools.
• Solders pieces of jewelry together and enlarges or reduces size of rings, using soldering torch or iron.
• Repairs, reshapes, and restyles jewelry by replacing broken parts or using hand tools and machines.
• Ties or twists gold or silver wires together, and bends to form rings.
• Immerses jewelry in cleaning solution or acid to remove stains, or in solution of gold or other metal to color jewelry.
• Smoothes soldered joints and rough spots, using hand file and emery paper, and polishes with polishing wheel or buffing wire.
• Cuts and shapes metal into jewelry pieces, using cutting and carving tools.

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