(92.35% Iron, 6.96% Nickel)
These meteorites are from a rare witnessed fall event. This meteorite impact ocurred in May of 1516, in Nantan, China. Then in 1958 local farmers collected them when China was in need of steel to push the country "Great Leap Forward" advocated by Mao Zetung. They have a coarse octahedral structure.
On average the composition is 92.35% Iron, 6.96% Nickel with minor amounts of Carbon, Copper, Cobalt, Sulphur, Phosphorus, Cromium, Gallenium, Germanium, and many different trace elements. The are a number of scarce minerals found in it, including kamacite, taenite, plessite, scheribersite, triolite, graphite, spherlite, sideroferrite, dyslytite, cliftonite and lawrencite.