Jewelry Gold Testing Tool, Touchstone Portable Gold Detecting Stone(Common)
Special Features
- This touchstone is used to verify the gold content in items
- Apply a drop acid test on touchstone, real gold will stay on the touchstone, fake one will be dissolved or oxidized to blue
- This solution works for testing any gold which you believe to be 10K, 14K, 18K, 22-24K, silver, and platinum pure
- Acid changes color based on purity. Very easy to use
- Ideal for testing jewelry, coins, antique gold, silver, platinum collectibles
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