Practical Jewelry Gold Testing Tool Touchstone Portable

Features:

1. This touchstone is used to verify the gold content in items.

2. Apply a drop acid test on touchstone, real gold will stay on the touchstone, fake one will be dissolved or oxidized to blue.

3. This solution works for testing any gold which you believe to be 10K, 14K, 18K, 22-24K, silver, and platinum pure.

4. Acid changes color based on purity. Very easy to use.

5. Ideal for testing jewelry, coins, antique gold, silver, platinum collectibles.



Specification:

Condition: 100% Brand New

Item Type: Touchstone

Material: Stone

Color: As pictures shown

Size: S, L (optional)





Size


Length


Width




S


7.6cm / 3in


3.8cm / 1.5in




L


9.9cm / 3.9in


5.2cm / 2in






Package list:

1 * Touchstone

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