Toluca (meteorite)
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Toluca | |
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500g Toluca slice
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Type | Iron |
Structural classification | Coarse Octahedrite |
Group | IAB-sLL[1] |
Composition | 91% Fe; 8,1 % Ni |
Country | Mexico |
Region | Toluca Valley, Jiquipilco, Mexico State |
Coordinates | 19°34′N 99°34′W / 19.567°N 99.567°WCoordinates: 19°34′N 99°34′W / 19.567°N 99.567°W[1] |
Observed fall | No |
Fall date | >10000 years ago |
Found date | 1776 |
TKW | 3 tonnes |
Toluca is an iron meteorite found in 1776 in Mexico near Toluca.
History[edit]
The meteorite probably crashed towards the Earth more than 10000 years earlier.[2] For centuries, Mexican people living near the meteorites, used them as a source of metal for various tools. It was discovered by conquistadores in 1776.
The total known mass is about 3 tonnes.[1]
Composition and classification[edit]
This iron meteorite is a coarse octahedrite, chemical type IAB-sLL. The mean composition is 91% Fe and 8,1% Ni. It often contains large troilite inclusions.