I found this native aluminum nugget (natural) encased in a bed of copper sulfate along with another smaller aluminum nugget. XRF analysis shows 78% aluminum, 18% copper, 2% zinc and 1% hafnium with trace amounts of manganese, iron, tin, lead, chromium, cadmium, antimony and palladium. Weight: 5.4 g. VDI: 39. Dimensions: 22mm L x 15mm W x 10mm H.

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