JSP 2-Pack Gold Testing Stones – Scratch Test Acids Small 2x2 GTE For Precious Metals

Need to verify gold or other precious metals?

These JSP testing stones are what you need.

You get two small stones, each 2x2 inches.

Perfect for scratch testing with acids—rub the metal on the stone, apply acid, and check the reaction.

Made in the USA.

There's a Prop 65 warning because testing acids can contain chemicals of concern, but the stones themselves are just stone.

If you're a jeweler, pawnbroker, or just into testing metals, these stones are essential.

JSP brand, reliable.

Small size makes them easy to store.