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Testing & Verification

Professional methods, clear explanations and testing you can see.

XRF Testing

See Your Precious Metals Tested Right in Front of You

Professional-grade XRF technology analyzes metal composition without damaging the item. X-ray fluorescence measures the elements present in the tested surface.

Sigma Metalytics PMV

Professional Coin & Bullion Verification

We use professional precious-metal verification equipment to help evaluate coins and bullion.

Sigma Metalytics precious metal verifier

Traditional Acid Testing

Traditional Testing When Appropriate

Traditional acid testing may be used when appropriate alongside professional equipment.

In-House Precious Metal Assay & Melting

Consistent Testing for Appropriate Larger Lots

For appropriate larger lots, we can melt and homogenize precious metals to help determine consistent metal content before an offer. This is assay and melting—not chemical refining.

Professional Testing at Both Locations

Bring your gold, silver, coins, bars and other precious metals for professional evaluation.