Difference between revisions of "Nacreous pigment"
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== Description == | == Description == | ||
| − | A pigment which produces a pearly luster. Nacreous pigment, or pearl essence, contains [ | + | A pigment which produces a pearly luster. Nacreous pigment, or pearl essence, contains [[guanine|guanine]] crystals obtained from fish scales. Guanine crystals are rhombic platelets composed of multiple layers. They are transparent but have a high index of refraction that partially reflect and transmit light from layer to layer thus producing a pearly luster. Nacreous pigments are used in simulated pearls and plastics. [[Argentine|Argentine]], silvery fish scales, have also been used to imitate pearls. See also [[luster%20glaze|luster glaze]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 09:41, 10 May 2016
Description
A pigment which produces a pearly luster. Nacreous pigment, or pearl essence, contains Guanine crystals obtained from fish scales. Guanine crystals are rhombic platelets composed of multiple layers. They are transparent but have a high index of refraction that partially reflect and transmit light from layer to layer thus producing a pearly luster. Nacreous pigments are used in simulated pearls and plastics. Argentine, silvery fish scales, have also been used to imitate pearls. See also Luster glaze.
Synonyms and Related Terms
pearl essence; pigment nacré (Fr.);
Sources Checked for Data in Record
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 521
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Encyclopedia Britannica, http://www.britannica.com Comment: "lustreware." Encyclopædia Britannica. 1 Oct. 2004 .