513.001 Molecular and Solid State Physics
Equivalent planes and directions
The specific symmetry of a crystal system defines (hkl) planes and [uvw] directions which are identical to each other.
As an example, specific relations for a cubic system are given:
a) which planes are equivalent to (100) in a tetragonal system?
b) which planes are equivalent to (210) in a tetragonal system?
c) which directions are equivalent to  in a tetragonal system?