Boley Natural Touchstone Gold Test Stone – 100 x 50 mm
The Boley Natural Touchstone Gold Test Stone is a premium-quality tool crafted specifically for testing gold and precious metal alloys with assay acids. Made in the USA, this first-quality natural stone is essential for jewelers, gold buyers, and precious metal professionals alike. It offers a reliable surface for streak testing, enabling users to compare the reactions of various metals with testing acids to accurately determine their purity.
Key Features
– Natural gold test stone for assay testing
– Premium first-quality material
– Designed for testing gold and precious metal alloys
– Provides a reliable streak testing surface
– Durable and long-lasting natural stone
– 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 Boley Touchstone, gently rub the metal item on the stone to create a streak. Next, apply the appropriate testing acid to the streak and observe the reaction, which will help you identify the metal type or its purity. Always follow proper safety procedures when handling acids.
Ideal For
– Jewelers and goldsmiths
– Gold buyers and traders
– Precious metal testing
– Workshops and professional use
UPC: 827156236554
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