Description:
- 【Functions】: This test stones is used in conjunction with gold test acids to determine if solid gold and karats.
- 【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 best way to test gold
- 【Testing Method】Practical Jewelry Making Accessory, apply a test on stone, real gold will stay on the stone, fake gold will be dissolved or oxidized to blue, Acid changes color based on purity. Very easy to use
- 【Widely Applications】: Perfect for testing jewelry, coins, antique gold, silver, platinum 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.