10K/14K/18K/22-24K Testing Stone, S/L Metal Testing Stone, Testing Platinum for Testing Gold Testing Silver for Testing Jewelry(large)
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Product details
| Management number | 233675148 | Release Date | 2026/06/27 | List Price | $4.56 | Model Number | 233675148 | ||
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- Ideal for testing jewelry, , antique gold, silver, collectibles
- This touchstone is used to verify the gold content in items
- This solution works for testing any gold which you believe to be 10K, 14K, 18K, 22-24K, silver, and pure
- changes color based on purity. Very easy to use
- Apply a drop test on touchstone, will stay on the touchstone, fake one will be dissolved or oxidized to blue
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