Etch Figure

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Etch Figure

 

a regular-faceted pit or, more rarely, surface that forms on crystal faces during etching. Etch figures are arranged in regular order in relation to the crystallographic axes. They reflect the symmetry of the crystal faces and the defects of the crystal structure.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.