A one-of-a-kind native copper alloy nugget (natural) that has a metallic color with a faint yellow tint. XRF analysis shows 74% copper, 9% potassium, 5% tin, 4% calcium, 3% magnesium and 3% hafnium with trace amounts of aluminum, silicon, antimony, titanium, lead, phosphorus and iron. Weight: 1.9 g. VDI: 14. Dimensions: 9mm L x 7mm W x 7mm H.

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XRF analysis shows this specimen to contain: Lead (Pb)