Difference between revisions of "Opal glass"

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J.Sloan, "American Opalescent Window Glass: Composition and Deterioration Issues" in ICOM Preprints, Lyon, 1999. p.803-808.
 
J.Sloan, "American Opalescent Window Glass: Composition and Deterioration Issues" in ICOM Preprints, Lyon, 1999. p.803-808.
  
== Authority ==
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== Sources Checked for Data in Record ==
  
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 365
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 365

Revision as of 13:21, 1 May 2016

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Description

A milky white, translucent glass. Opal, or opalescent, glass was first made in the mid-1800s but not patented until 1880 by Louis Tiffany. Tiffany and J. La Farge prepared large sheets of opal glass for use in windows. Opal glass is made white by the addition of calcium phosphate (bone ash) and opalescent by the addition of fluorides (fluorspar, cryolite, or lepidolite) and/or arsenic. Opal glass was used for light shades, table tops, and cosmetic jars.

Synonyms and Related Terms

opalescent glass; white glass; vidrio opal (Esp.); opalina (Esp.); opaline (Fr.); opaalglas (Ned.); vidro opala (Port.); bone glass; flint glass; alabaster; opaline; Vitrolite

Additional Information

J.Sloan, "American Opalescent Window Glass: Composition and Deterioration Issues" in ICOM Preprints, Lyon, 1999. p.803-808.

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 365
  • 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
  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996

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