[premium (small)]

[generally]

1. This detecting stone is used to verify the gold content in items
2. Apply a drop acid test on detecting stone, real gold will stay on the detecting stone, 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 platinum pure
4. Acid changes color based on purity. Very easy to use
5. Ideal for testing jewelry, coins, antique gold, silver, platinum collectibles

Specification:
Features:
1. This detecting stone is used to verify the gold content in items.
2. Apply a drop acid test on detecting stone, real gold will stay on the detecting stone, 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 platinum pure.
4. Acid changes color based on purity. Very easy to use.
5. Ideal for testing jewelry, coins, antique gold, silver, platinum collectibles.
Specification:
Condition: 100% Brand New
Item Type: Detecting Stone
Material: Stone
Color: As Shown in the Picture
Weight: Approx. 55-65g
Optional Type: Common, Superior (Small)
Size:
01: Approx. 71 x 41 x 5mm/2.8 x 1.6 x 0.2in
02: Approx. 76 x 41 x 6mm/3.0 x 1.6 x 0.2in
Package List:
1 * Detecting Stone (Acid Testing Water Not Included)