X-Ray Fluorescence (XRF) and Fire Assay are often seen as competing technologies, but at Milli Gold Labs, we use them as complementary tools. XRF provides instant, non-destructive surface analysis—perfect for rapid material sorting. However, for deep chemical homogeneity and high-value settlements, the precision of Fire Assay is unmatched. Understanding the nuances of both allows us to provide the most cost-effective and accurate results for our clients.