Day August 27, 2025

Can a Magnet Tell You if Gold Is Real?

While a magnet can sometimes help spot fake items that contain magnetic metals, it cannot reliably prove that gold is genuine. Counterfeiters often use non-magnetic metals like copper or aluminum to mimic gold, which would pass the magnet test. For…

Is XRF Safe for Testing Precious Metals?

The good news is that modern X-ray fluorescence (XRF) analyzers are specifically designed with rigorous safety measures, making them safe to use in jewelry stores, refineries, pawnshops, laboratories, and even in mobile environments. XRF instruments do use X-rays to determine…

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