This easy to use genuine GTE LARGE test stones are a great tool to use with will Gold, Silver, and Platinum testing solutions.
These test stone can be used over 1000 TIMES! Wash with baking soda and water in between tests or an acid neutralizer.
Simply scratch the test stone with your jewelry and apply a drop of the acid to the stone and watch the results appear!
This listing includes:
- (2) GTE 4''x12'' Test Stones New in Box with Rubber backing to ensure non-slip desktop testing!
- (1) GTE 3''x6'' Test Stone New in Box with Rubber backing to ensure non-slip desktop testing!
- (1) 10K JSP Test Solution
- (1) 14K JSP Test Solution
- (1) Easy to read and follow instruction booklet with color chart!
A MUST-HAVE for anyone who invests in gold, silver, or platinum!
NOTE: These solutions will dull the polishing of the piece, and leave a mark where the acid was placed.
It is advised to always use a test stone to protect your jewelry.
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