Quartz wedge

Description

A Quartz birefringent compensator plate used in microscopic analysis to provide a gradual change in retardation. Quartz wedges show several orders of retadation colors as illustrated by the Michel Levy chart of retardation colors and birefringence.

Synonyms and Related Terms

Quarzkeil (Deut.); coin de quartz (Fr.);

Resources and Citations

• Walter C. McCrone, John Gustave Delly, The Particle Atlas, W. McCrone Associates, Chicago, IV, 1972

• Website: http://www.charfac.umn.edu/glossary/Q.html