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Testing Stone – Slate Scratch Jewelry Testing Stone
Testing Stone – Slate Scratch Jewelry Testing Stone
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WHAT'S INCLUDED
1 Testing Stone
PRODUCT DESCRIPTION
Professional testing stone that leaves a smooth mark for accurate metal testing without damaging jewelry. Designed for use with the TrueAssay testing kit.
STONE SIZE OPTIONS
2 × 2 inch — compact size for occasional testing
2 × 4 inch — standard size for everyday jewelry testing
3 × 6 inch — larger surface area for frequent or professional use
Perfect for jewelers, pawn shops, coin dealers, and precious metal buyers who need a reliable surface for acid testing
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Trusted by Industry Professionals
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Lab-Tested Quality
Each batch is formulated to professional-grade testing standards used by jewelers and refiners.
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Fast U.S. Shipping
Orders ship same-day from Atlanta, GA. Most U.S. customers receive in 2 to 5 business days.
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Helpful Customer Support
Questions about testing technique or kits? Reach our team for guidance before and after your purchase.
Frequently Asked Questions
How do I use the testing solution?
Rub the metal on a testing stone, apply a drop of acid to the streak, then compare the color reaction to the standard chart for that karat.
How fast does my order ship?
Orders placed before 2 PM EST ship the same business day from Atlanta, GA. Most U.S. orders arrive in 2 to 5 business days.
Are these solutions safe to handle?
Our acid solutions are professional-grade and should be handled with gloves and eye protection in a well-ventilated area. SDS sheets are available on request.
What's your return policy?
Unopened items can be returned within 30 days of delivery. Opened acid bottles cannot be returned for safety and shipping reasons.