Toluca (meteorite)
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History
The meteorites probably crashed into Earth more than 10,000 years ago. 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.
The total known mass is about 3 tonnes.
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Composition and classification
These iron meteorites are a coarse octahedrite, chemical type IAB-sLL. The mean composition is 90.5% Fe and 8.1% Ni. They often contain large troilite inclusions.