Quasicrystals from space?

For all you Crystal enthusiasts…

Apparently the so called ‘impossible Crystal’ the Quasicrystal could have arrived on earth by meteorites. Daniel Schechtman, who was awarded last year’s Nobel Prize in Chemistry discovered the special Crystal in the 1980’s. This possible extra-terrestrial origin may help to explain the crystals complex and unique structure. The pattern of oxygen isotopes was unlike any known minerals that originated on Earth. It was instead closer to that sometimes found in a type of meteorite known as a carbonaceous chondrite. The samples also contained a type of silica which only forms at very high pressures. This suggests it either formed in the Earth’s mantle, or was formed in a high-velocity impact, such as that which occurs when a meteorite hits the Earth’s surface.

http://www.bbc.co.uk/news/science-environment-16393296


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