Quasicrystal is a solid between crystal and amorphous. Quasicrystals have a completely ordered structure, but they do not have the translational symmetry that crystals should have, so they can have macroscopic symmetry that crystals do not allow.

The composition of a substance depends on the characteristics of its atomic arrangement. A solid substance with periodic arrangement of atoms is called a crystal, and an amorphous substance with disordered arrangement of atoms is called an amorphous state. Quasicrystal is a solid between crystal and amorphous.

The discoverer was Israeli scientist daniel shechtman, who won the Nobel Prize in Chemistry for 20 1 1 year.