How to Spot Tungsten-Filled Gold Bars Without Cutting Them

Learn how to detect fake gold and tungsten counterfeits using XRF, Sigma Metalytics, and ultrasonic testing. Protect your investment with these expert bullion verification steps.

Learn how to detect fake gold and tungsten counterfeits using XRF, Sigma Metalytics, and ultrasonic testing. Protect your investment with these expert bullion verification steps.

Hidden dangers of acid testing include damaged inventory, lost profits, and eroded trust. Safer, modern methods protect your business and boost reliability.

Is the gold magnet test accurate? Learn why magnets fail on high-quality fakes and discover more reliable home tests to verify your jewelry's authenticity today.

Learn how to identify fake gold using professional visual inspection techniques. Check hallmarks, magnetism, and discoloration to verify your jewelry's purity.

Learn how to spot counterfeit jewelry in 2026. Identify fake gold materials like gold-plated base metals, tungsten cores, and expert home testing tips to protect your investment.