Synthetic Touchstone for Metal Testing

This synthetic touchstone is a reliable and essential tool for precious metal testing, designed for accurate evaluation of gold, silver, and other metals. Made from high-quality synthetic material, it provides a consistent and durable surface for acid testing and streak analysis.

With a compact size of 46 x 40 x 8 mm, this testing stone is easy to handle and ideal for both professional and workshop use. It allows jewelers, goldsmiths, and metal dealers to quickly assess metal purity when used in combination with testing acids.

The fine-grained surface ensures clear, visible streaks, helping improve accuracy during testing and identification processes.

Key Features

• High-quality synthetic touchstone for metal testing
  
• Suitable for gold, silver, and precious metal analysis
  
• Ideal for use with acid testing solutions
  
• Fine surface for clear and accurate streak results
  
• Compact and durable design
  
• Size: 46 x 40 x 8 mm

* ring not included