We'd like to use analytics cookies to understand which symbols people look up, so we know what to research next. They are not used for advertising and we set none of them unless you say yes. What we store.
A matrix or plane naming a twin relation.
Also known as: Twin element notation, Twin matrix
The notation giving the operation relating two components of a twinned crystal, by twin plane, twin axis or matrix.
Gives the operation relating two components of a twinned crystal.
Contexts: Laboratory
May be written three different ways for the same twin, because a plane, an axis and a matrix can each express the same relation, and papers differ in which they choose.
Contexts: Laboratory
Either a plane index in brackets, a direction index, or a three by three array of figures giving the relating operation.