1 piece (44g) Nantan Iron-Nickel Meteorite. Iron 92.35%, Nickel 6.96 %.  Sizes collected range from 1 gram to 2,000 kg, with its total weight estimated at about 9,600 kg. One of the most rarest witnessed iron meteorite falls in the entire world 😳 😯 It fell in 1516 A.D. but found in 1958.