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2' x 2' x 1/2' Gold Testing Stone, Genuine, Natural Obsidian - Jewelry Tool

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$8.90

$ 4 .99 $4.99

In Stock
  • Ideal for testing jewelry, antique gold, silver, collectibles
  • Genuine and natural obsidian
  • Smooth surface is the best way to test gold
  • Jet black, for the highest contrast
  • Measuring at 2" x 2" x 1/2", this black testing stone is to be used with solutions and testing needles in order to determine the karat value and purity of your precious metals.


Measuring at 2" x 2" x 1/2", this black testing stone is to be used with solutions and testing needles in order to determine the karat value and purity of your precious metals.