Feature

●▼ Touch Gold Test Stone: The gold test stone is a type of black mineral.Special designed to verify the content of gold in the articles.The acid changes color depending on the purity.
●▼ Gold Stone Detection Use: this black testing stone is to be used with solutions and testing needles in order to determine the karat value and purity of your precious metals.(Excluding solution and test needle)
●▼ Professional Jewelry Test Tool Effect: Apply an acid drop test on the touchstone, the real gold will remain on the touchstone, the fake will dissolve or oxidize to blue.
●▼ Jewelry Gold Testing Tool Advantage: This product is 100% new, Ideal for testing jewelry, coins, antique gold, silver, platinum collectibles.Very easy to use.
●▼ Apply to: This solution works to test any gold that you think is 10K, 14K, 18K, 22-24K, silver and pure platinum,Test Stone is used to verify the gold content in items.

[Superior (Pequeno)]

Description

Features:
Ideal for jewelry, coins, antique gold, silver, platinum collectibles and more.Apply an acid drop test on the touchstone, real gold.It will stay on the touchstone, the false will dissolve or oxidize to blue.It works to test any gold you think is 10K, 14K, 18K, 22-24K, silver and pure platinum.
Specifications:
Condition: 100% new
Optional type: Common, Superior (Small)
Size:
Superior (small): Length: 6cm / 2.4in, Width: 3.4cm / 1.3in
Common: Length: 4.5cm / 1.8in, Width: 3.9cm / 1.5in

List of packages:
1 * Touchstone (acid test with water not included)