Genuine Colorado native aluminum, brass, copper alloy and zinc nuggets have been found and are for sale. These native (natural) metal nuggets are from an extremely rare eluvial placer deposit found by Steve Wagy, a prospector from Cotopaxi Colorado. A one-of-a-kind occurrence. You can see all 163 native metal nuggets for sale at www.raremineralsforsale.com, including the unofficial world record aluminum nugget weighing in at 818.2 grams and the only native iron nugget ever found, embedded in volcanic glass and still magnetic!