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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