basal cleavage
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Related to basal cleavage: Prismatic cleavage, pinacoidal cleavage
basal cleavage
[′bā·səl ′klēv·ij] (crystallography)
Cleavage parallel to the base of the crystal structure or to the lattice plane which is normal to one of the lattice axes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.