GTE *White* 2''x2'' Testing Touchstone Streak Stone for Gold Silver Jewelry Precious Metal Sterling Acid Solutions 10K 14K 18K 22K .999 24K
4.5 (1,234)
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20% off first order
$9.97$11.99
17% off
Color
Black
Quantity
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Quantity
1
Description
The GTE White 2" x 2" Precious Metal Test Stone is designed for use with testing acids to help determine the purity and karat value of gold, silver, and platinum jewelry, scrap metal, coins, bars, and more.
Unlike traditional dark testing s...
Reviews
5.0
1 rating
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Newbie tester
Since I am a starting out tester, the simple instructions and the color comparison ( since I am color blind, red-green) makes it easier to follow and make better decisions. Super simple instructions are great. The chemicals and stone make it easy to use.