Tag «multiple twins»

Types of Twinning

There are three basic types of the twinning of crystals; (i) Contact Twins, (ii) Penetration Twins, and (iii) Repeated Twins. (1). Contact Twins: When two halves of a twinned crystal are symmetrical with respect to the twin plane, it is called ”contact twin”. Contact twins have a definite composition plane, which separates the two halves …