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1. This touchstone is used to verify the gold content in items.
2. Apply a drop acid test on touchstone, real gold will stay on the touchstone, fake one will be dissolved or oxidized to blue.
3. This solution works for testing any gold which you believe to be 10K, 14K, 18K, 22-24K, silver, and pure.
4. Acid changes color based on purity. Very easy to use.
5. Ideal for testing jewelry, , antique gold, silver, collectibles.
Spec:
Condition: 100% Brand New
Item Type: Touchstone
Material: Stone
Color: As pictures shown
Size: S, L (optional)
Size Length Width S 7.6cm / 3in 3.8cm / 1.5in L 9.9cm / 3.9in 5.2cm / 2in
Package list:
1 * Touchstone
Julia P.
Reviewed in the United States on July 7, 2024
I purchased another that was cheap and didn't show marks good if at all, but this one is fabulous! I've tested gold and silver and it does the job and is pretty thick and wide. Best one I've ever gotten, great job! Thanks
Missouri Man
Reviewed in the United States on July 7, 2024
But it is of lower quality. The little one I got from a different seller was solid. This one could retain metal due to the surface is less dense. So you will want to be sure have cleaned it. What I like is the size because I can preform multiple test if I am not sure of the purity of metal.
Customer
Reviewed in the United States on November 8, 2024
John
Reviewed in the United States on July 18, 2023
Works good
KL
Reviewed in the United States on December 25, 2023
Loved the short lead time
William Dale Grissom
Reviewed in the United States on July 28, 2022
I needed a bigger testing Rock than what came with my testing kit this is perfect
Adam
Reviewed in the United States on March 27, 2022
I will recommend
California Sister
Reviewed in the United States on November 30, 2022
Just what my title said. This stone was totally unsuitable for what they sell it for.Maybe it could be used to remove hard water stains from a sink… no, it would scrstch the porcelain. Never mind.
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