This native aluminum nugget (natural) has a hole apparently from a twig making a little bridge. XRF analysis shows 76% aluminum, 9% silicon, 7% copper, 5% light elements (LE) and 1% zinc with trace amounts of iron, manganese, hafnium, chromium, nickel, lead, tin, titanium, tungsten, cadmium, vanadium, palladium, antimony, zirconium and bismuth.