Test Stones

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Testing Stone
Testing Stone
$3.00
Stone used with solutions and test needles to determine karat values.
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Natural Testing Stone
Natural Testing Stone
$11.00
Natural Testing stones used with solutions and test needles to determine karat values of precious metals. 1 7/8" x 1 1/2"x 1/4".
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Gold Test Stone-Black Glass
Gold Test Stone-Black Glass
$4.00
Economy "Black" Glass stone is used with solutions and test needles to determine the karat value. Measures 2" x 1-1/2" x 3/16"
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