crystal class


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crystal class

[′krist·əl ′klas]
(crystallography)
One of 32 categories of crystals according to the inversions, rotations about an axis, reflections, and combinations of these which leaves the crystal invariant. Also known as symmetry class.
References in periodicals archive ?
To stud at 4 years and dam of: Crossbreeze (1999 f by Red Ransom; placed), Crystal Class (2000 c by Mr Prospector; placed), Rule Of Law (2001 c by Kingmambo; Gr1 winner).
10] A number of binary structure semiconductors are presented, with corresponding crystal class.
Utilizing etch figures he determined the crystal class to be dihexagonal dipyramidal (6/mmm), and the axial ratio (c/a) to be 1.