| Toluca | |
| Type: | Iron |
| Group: | IAB-sLL |
| Structural Classification: | Coarse Octahedrite |
| Composition: | 90.5% Fe; 8.1% Ni |
| Country: | Mexico |
| Region: | Toluca Valley, Jiquipilco, Mexico State |
| Lat Long: | 19.45°N -134°W[1] |
| Observed Fall: | No |
| Fall Date: | >10,000 years ago |
| Found Date: | about 1776 |
| Tkw: | 3 tonnes |
Toluca is a group of iron meteorites found in Jiquipilco, Mexico near Toluca.[1]
The meteorites probably crashed into Earth more than 10,000 years ago.[2] For centuries, Mexican people living near the meteorites used them as a source of metal for various tools. They were first described by conquistadores in about 1776.[1]
The total known mass is about 3 tonnes.
These iron meteorites are a coarse octahedrite, chemical type IAB-sLL.The mean composition is 90.5% Fe and 8.1% Ni.[1] They often contain large troilite inclusions.