Abstract We report the first occurrence of a natural quasicrystal with decagonal symmetry. The quasicrystal, with composition Al 71 Ni 24 Fe 5 , was discovered in the Khatyrka meteorite, a recently described CV3 carbonaceous chondrite. Icosahedrite, Al 63 Cu 24 Fe 13 , the first natural quasicrystal...
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