twin crystal


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twin crystal

[′twin ′krist·əl]
(crystallography)
A compound crystal which has one or more parts whose lattice structure is the mirror image of that in the other parts of the crystal. Also known as crystal twin; twin.
References in periodicals archive ?
603-8376, Kinugasa, Kyoto, Japan) had a small tablefull of excellent, sharp, clear Japan-law twin crystals of quartz from the type locality for such twins: Narushima, Nagasaki, Japan.