Gold Test Stone, Practical Jewelery Gold Tester, Portable Gold Detection Stone Test Equipment Touchstone Antique Gold Silver for Testing Jewelry Coins (small))
$3.62
Description
This solution works for testing any gold which you believe to be 10K, 14K, 18K, 22-24K, silver, and pure.Ideal for testing jewelry, coins, antique gold, silver, collectibles.Apply a drop acid test on touchstone, real gold will stay on the touchstone, fake one will be dissolved or oxidized to blue.Acid changes color based on purity. Very easy to use.This touchstone is used to verify the gold content in items
