This EASY to use genuine GTE white 2”x2” test stone is a useful tool to use with testing acids when determining the karat value and purity of Gold, Silver, and Platinum Jewelry, scrap, bars, coins, and much more!
This natural white colored stone provides a clean and crisp background for viewing color changes and dissolving when testing.
Simply apply scratch the test stone with your jewelry and apply a drop of the acid to the stone and watch the results appear! Our solutions are guaranteed to be FRESH!
This kit includes:
- WHITE GTE 2''x2'' Test Stone with rubber backing for non-slip desktop testing!
- Easy to read and follow instructions!
A MUST-HAVE for anyone who invests in gold, silver, or platinum!