Boley Premium Natural Gold Test Stone for Assay Testing
The Boley Premium Natural Gold Test Stone is an essential tool for testing the purity of gold and precious metal alloys. Crafted in the USA, this high-quality touchstone provides a reliable surface for streak testing when using assay acids. It is ideal for jewellers, gold buyers, and professionals in the precious metals industry.
Key Features
– Natural stone designed specifically for assay testing
– Premium 1st quality material ensures durability
– Reliable surface for accurate streak testing
– Long-lasting performance for professional use
– Dimensions: 100 x 50 x 10 mm
Specifications
– Product: Gold test stone / touchstone
– Quality: 1st quality natural stone
– Weight: approximately 150 g
– Origin: Made in USA
How to Use
To use the test stone, gently rub the metal item on its surface to leave a streak. Then, apply the appropriate testing acid to the streak and observe the reaction to determine the metal type or purity. Always follow safety procedures when handling acids.
Ideal For
This test stone is perfect for jewellers and goldsmiths, gold buyers and traders, as well as workshops and professional testing environments.
UPC: 827156236554
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