Gold Testing Acid Stone Scratch Purity Assay Tester Test Scrap Jewellery Watch

Gold Testing Stone – 100mm x 53mm – Jewellery & Watch Testing

Professional gold testing stone suitable for jewellers, watchmakers, pawnbrokers, collectors, and hobbyists.

Used for scratch testing gold and precious metals in conjunction with testing acids, this fine-grain stone produces clean, consistent test lines for accurate results.

Features:

• ✔ Professional gold testing stone

• ✔ Size: 100mm x 53mm

• ✔ Rectangular natural test stone

• ✔ Ideal for gold purity and metal testing

• ✔ Suitable for jewellery, watches & small items

• ✔ Fine grain surface for clear scratch marks

• Gold & precious metal testing

• Assay and hallmark verification

• Trade and hobby use