covalent crystal

covalent crystal

[kō′vā·lənt ′krist·əl]
(crystallography)
A crystal held together by covalent bonds. Also known as valence crystal.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Thus, the whole system changed from the covalent crystals to the ionic crystal gradually, and electrostatic interaction increase.