This is a rare Campo Del Cielo meteorite fragment that has been wrapped in your choice of wire cage The Campo Del Cielo are a group of iron meteorites that fell roughly 600 miles north west of Buenos Aires Argentina between 4,000 and 5,000 years ago. The crater field covers an area of 2 x 11.5 miles and over 100 tons of material have been recovered from 26 distinct crater sites, making it possibly the heaviest meteorite to have ever been recovered. Measurements: Length: 0.75-1.00" Width: 0.15-0.33" Depth: 0.15-0.33"