Boley Touchstone Gold Test Stone - Natural Premium Quality 100 x 50 x 10 mm
The Boley Touchstone Gold Test Stone is a high-quality natural stone specifically designed for testing the purity of gold and precious metal alloys using assay acids. Manufactured in the USA, this premium touchstone is a vital tool for jewellers, gold buyers, and professionals in the precious metals industry.
Key Features
- Natural gold test stone for accurate assay testing
- Premium 1st quality material for consistent results
- Ideal for testing gold and various precious metal alloys
- Provides a reliable surface for streak testing
- Durable and long-lasting natural composition
- Made in the USA
Specifications
- Product: Gold test stone / touchstone
- Version: Natural stone
- Quality: 1st quality
- Dimensions: 100 x 50 x 10 mm
- Weight: approx. 150 g
- Origin: Made in USA
How to Use
To use the touchstone, gently rub the metal item on the stone to leave a streak. Apply the appropriate testing acid to the streak and observe the reaction, which will help you determine the metal type or its purity. Always follow proper safety protocols when handling acids.
Ideal For
- Jewellers and goldsmiths
- Gold buyers and traders
- Precious metal testing professionals
- Workshops and professional use
UPC: 827156236554