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The quasicrystal, the extraterrestrial mineral made in the lab

As detailed in a study published on Nature Scientific Reports

New frontiers are now open for laboratory reproduction of quasicrystals, a particular form of solid, which, for its properties, including an exceptional resistance, is generating a strong interest in the field of technological applications (from non-stick film for saucepans to ball bearings and shaving blades).

An international team of researchers that includes Luca Bindi, a professor of Mineralogy at the Department of Earth Sciences, has succeeded in recreating icosahedrite and decagonite, two quasicrystals found in a meteorite dating to 4 billion and a half years ago ("Khatyrka"). The result was obtained by impacting a bullet exploded at about 1 Km/s on various materials precisely chosen to reproduce the conditions that occurred during the formation of "Khatyrka".

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17 November 2017