- Metal Testing Stone, Gold Detecting Stone, Pro

Gold Testing Stone Portable Jewelry Gold Test Gold Testing

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 test gold

[Testing Method]Practical Jewelry Making Accessory, apply a drop test , real gold will stay on the stone, fake gold will be dissolved or oxidized to blue, changes color based on . Очень легко использовать

[Widely Applications]: Perfect for testing jewelry, coins, antique gold, , collectibles.

Specification:

материал: камень

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

Package Includes:

1pcs Gold Testing Stone