Difference between revisions of "Nacre"
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== Description == | == Description == | ||
| − | An old name for the hard, iridescent, [ | + | An old name for the hard, iridescent, [[calcium%20carbonate|calcium carbonate]] layer form on the inside of many types of mollusk shells. The inorganic crystals are bonded by [[conchiolin|conchiolin]]. Nacre layers build up over an impurity to form pearls. Colors typically include variations of white, pale yellow, pink, and gray. See [[mother%20of%20pearl|mother of pearl]], and [[pearl|pearl]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 10:41, 10 May 2016
Description
An old name for the hard, iridescent, Calcium carbonate layer form on the inside of many types of mollusk shells. The inorganic crystals are bonded by Conchiolin. Nacre layers build up over an impurity to form pearls. Colors typically include variations of white, pale yellow, pink, and gray. See Mother of pearl, and Pearl.
Synonyms and Related Terms
nácar (Esp., Port.); nacre (Fr.); Perlmutt (Deut.)
Additional Information
Maggie C. Pedersen, Gem and Ornamental Materials of Organic Origin, Elsevier, London, 2004
Sources Checked for Data in Record
- Maggie C. Pedersen, Gem and Ornamental Materials of Organic Origin, Elsevier, London, 2004
- Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985
- Encyclopedia Britannica, http://www.britannica.com Comment: "pearl." Encyclopædia Britannica. 25 Sept. 2004 .
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998