Gold Testing Stone Touchstone Large Gold Tester Jewelry

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Description:

【Functions】: This test stones is used in conjunction with acids to determine if solid gold and .
【Size】: 7cmx4.3cmx0.5cm, large tesing surface make it easy to test several items at once.
【Features】: black, for the highest contrast, smooth surface is the to test gold
【Testing Method】Practical Jewelry Making Accessory, apply a test , real gold will stay on the stone, fake gold will be dissolved or oxidized to blue, changes color based on . Very easy to use
【Widely Applications】: Perfect for testing jewelry, coins, antique gold, , collectibles.

Specification:

Material: Stone
Size: 7cmx4.3cmx0.5cm/2.76inchx1.69inchx0.20inch

Package Includes:

1Pcs Gold Testing Stone

Note:

Please allow slightly errors due to manual measurement and different monitors.

Wooden Abcus; Educational Learning