Tuidzljd Gold Testing Kit 10k 14k 18k 22k 24K, Silver Precious Metal Tester with 10g Solution, Test Stone,

If you draw gold on the touchstone and drop the solutions, the real gold remain on the touchstone while the fake gold be dissolved or oxidized to a cyan Featuring fine, smooth and extremely hard, with a hardness of nearly 7.0. When it is scratched on a stone, no sound can be heard. If the touchstone is cyan, it indicates that the gold contains a relatively high amount of silver gold tester kit Includes 10g solutions and a test stone, for safe testing that 't damage your jewelry, and authenticity Our gold testing kit accurately tests 10K, 14K, 18K, 22K, and 24K gold, as well as silver and , preventing purchasing or recycling Simple, easy-to-follow process requiring no expertise, the gold tester ideal for individuals to quickly test jewelry, gold bars, or collectibles, Manufacturer: Tuidzljd