Difference between revisions of "Nacre"
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== Description == | == Description == | ||
| − | An old name for the hard, iridescent, [http://cameo.mfa.org/materials/fullrecord.asp?name=calcium | + | An old name for the hard, iridescent, [http://cameo.mfa.org/materials/fullrecord.asp?name=calcium%20carbonate calcium carbonate] layer form on the inside of many types of mollusk shells. The inorganic crystals are bonded by [http://cameo.mfa.org/materials/fullrecord.asp?name=conchiolin conchiolin]. Nacre layers build up over an impurity to form pearls. Colors typically include variations of white, pale yellow, pink, and gray. See [http://cameo.mfa.org/materials/fullrecord.asp?name=mother%20of%20pearl mother of pearl], and [http://cameo.mfa.org/materials/fullrecord.asp?name=pearl pearl]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| − | + | nácar (Esp., Port.); nacre (Fr.); Perlmutt (Deut.) | |
== Additional Information == | == Additional Information == | ||
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== Authority == | == Authority == | ||
| − | * | + | * 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." | + | * ''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 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
Revision as of 06:41, 24 July 2013
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
Authority
- 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