Description
The gold touchstone is a simple and fast tool for screening during purchasing, jewellery intake or workshop inspection. The principle is based on comparing the reaction of the metal trace on the stone after applying a testing solution. It is an indicative method that helps distinguish suspicious pieces and determine the next course of action.
Key advantages
- Quick indicative purity check (typically for 10K / 14K / 18K / 22–24K depending on the testing solution used).
- Suitable for jewellery, coins and “antique” gold as well as other items for verification.
- Two sizes for different workflows: smaller stone for the mobile kit, larger for comfortable desk work.
- No consumables included: stone only – solutions are selected separately according to operational needs.
Package contents
- 1× touchstone
- Testing solution is not included
Technical specifications
Sizes: S (7.5 × 4.2 cm) / M (10 × 5 cm)
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