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Metal Testing Touchstone Kit, Precious Metal Purity Test Stone for Jewelry, Coins, Scrap & Antique Metal Detection Tools

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Key item features

Accurate Precious Metal Testing：This testing stone is designed for verifying the purity and authenticity of precious metals, making it ideal for evaluating jewelry, coins, and collectible items.
Durable, High-Quality Construction：Crafted from premium materials, the smooth black surface works perfectly with testing acids, delivering reliable and consistent results for professional use.
Non-Slip Backing for Safe Handling：The stone features a non-slip pad on the back to prevent movement or table scratches, ensuring safe, stable testing without damaging your jewelry.
Easy to Use & Protects Your Items：Simply rub the metal on the stone and apply testing solution to observe the reaction—no need to apply acid directly on your jewelry, reducing the risk of damage.
Wide Application for Jewelers & Hobbyists：Perfect for goldsmiths, pawn shops, jewelry stores, collectors, and home users. Suitable for testing various metals including gold-color alloys, silver, platinum, and more.

Specs

Jewelry making & beading kit type
Jewelry Making Kit
Material
Quartz
Color
Black
Features
Compact

Current price is $12.99

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About this item

Product details

This precious metal testing stone provides a professional and reliable way to evaluate the purity of jewelry, coins, and other metal items. Its smooth black surface clearly displays acid reactions, allowing accurate metal purity testing without exposing your jewelry to direct acid contact. The non-slip backing ensures stable, safe use on any surface. Compact and easy to handle, this testing stone is an essential tool for jewelers, pawnshops, collectors, and anyone who wants to verify the authenticity of precious metal pieces.

Accurate Precious Metal Testing：This testing stone is designed for verifying the purity and authenticity of precious metals, making it ideal for evaluating jewelry, coins, and collectible items.
Durable, High-Quality Construction：Crafted from premium materials, the smooth black surface works perfectly with testing acids, delivering reliable and consistent results for professional use.
Non-Slip Backing for Safe Handling：The stone features a non-slip pad on the back to prevent movement or table scratches, ensuring safe, stable testing without damaging your jewelry.
Easy to Use & Protects Your Items：Simply rub the metal on the stone and apply testing solution to observe the reaction—no need to apply acid directly on your jewelry, reducing the risk of damage.
Wide Application for Jewelers & Hobbyists：Perfect for goldsmiths, pawn shops, jewelry stores, collectors, and home users. Suitable for testing various metals including gold-color alloys, silver, platinum, and more.

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Specifications

Jewelry making & beading kit type

Jewelry Making Kit

Material

Quartz

Color

Black

Features

Compact

Warranty

Warranty information

This warranty covers the transportation process and the product's own problems, if you receive the goods product damage, contact us in time, will make a replacement or full refund.

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.