Feature

●Practical Jewelry Making Accessory: Two size Gold Detecting Stone, Test Stone is used to verify the gold content in items
●How to Use: Apply a drop acid test on touchstone, real gold will stay on the touchstone, fake one will be dissolved or oxidized to blue
●Teach You To Distinguish: This solution works for testing any gold which you believe to be 10K, 14K, 18K, 22-24K, silver, and platinums pure
●Easy To Use: Acid changes color based on purity. Very easy to use
●Application: Ideal for testing jewelry, coins, antique gold, silver, platinums collectibles

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Description

Specification:
Condition: 100% Brand New
Item Type: Touchstone
Material: Stone
Color: As pictures shown
Size: S, L (optional)
SizeLengthWidthS7.6cm / 3in3.8cm / 1.5inL9.9cm / 3.9in5.2cm / 2in
Package list:
1 * Touchstone