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Three figures in square brackets naming a direction.
Also known as: uvw notation, Square bracket indices
The notation naming a crystallographic direction by three figures in square brackets, the components of a vector in the lattice basis.
Names a crystallographic direction by the components of a vector expressed in the lattice basis.
Contexts: Laboratory
Is distinguished from a plane index only by bracket shape, so round against square is the difference between a plane and a direction and nothing else marks it.
Contexts: Laboratory
Three figures written side by side inside square brackets, distinguished from a plane index by the shape of the brackets alone.