Practical Acid Test Kit Silver Platinum Gold Testing Touchstone Jewelry Tool

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Semme Jewelry Gold Testing Tool, Touchstone Portable Gold

Feature: , This kit is used to verify the gold content in items!, Apply a drop of this solution to a small sample of the item to be tested onto the

1Pc Practical Acid Test Silver Platinum Gold Testing Touchstone Jewelry Tool

testing acids and touchstones by Goldanalytix

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

Practical Acid Test Kit Silver Platinum Gold Testing Touchstone Jewelry Tool

Gold Tester Acid Kit Silver Platinum Gold Testing Touchstone

Semme Jewelry Gold Testing Tool, Touchstone Portable Gold

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Semme Jewelry Gold Testing Tool, Touchstone Portable Gold