TLQS twinning

From Online Dictionary of Crystallography

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TLQS (Twin Lattice Quasi-Symmetry) twinning is a term employed to indicate twinning where the twin lattice is close to a higher holohedry. The degree of quasi-symmetry is commonly measured by the twin obliquity, which depends on the perpendicularity of lattice row / lattice plane [uvw] / (hkl) defining the cell of the twin lattice.

See also