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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 tay

Gold Tester Acid Kit Silver Platinum Gold Testing Touchstone Jewelry Tool Set u

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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 tay

Gold Tester Acid Kit Silver Platinum Gold Testing Touchstone Jewelry Tool Set u

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