Difference between revisions of "Albany slip clay"

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[[File:Albany slip MFA20121107.jpg|thumb|Underglaze of Albany slip<br>MFA# 2012.1107]]
 
== Description ==
 
== Description ==
  
A dark, fine-grain clay obtained from near Albany, New York. Albany slip contains [http://cameo.mfa.org/materials/fullrecord.asp?name=silica silicon dioxide] (57.6%), [http://cameo.mfa.org/materials/fullrecord.asp?name=aluminum%20oxide aluminum oxide] (14.5%), [http://cameo.mfa.org/materials/fullrecord.asp?name=calcium%20oxide calcium oxide] (5.7 %), [http://cameo.mfa.org/materials/fullrecord.asp?name=ferrous%20oxide iron oxide] (5.2%), [http://cameo.mfa.org/materials/fullrecord.asp?name=magnesium%20oxide magnesium oxide] (2.7%) and various alkalis (3.1%) (Fournier 1996). The dark brown to black clay was used by early American potter's as a black glaze for stoneware.  It was often applied to the interior of salt glazed stoneware.
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A dark, fine-grain clay obtained from near Albany, New York. Albany slip contains [[silica|silicon dioxide]] (57.6%), [[aluminum%20oxide|aluminum oxide]] (14.5%), [[calcium%20oxide|calcium oxide]] (5.7 %), [[ferrous%20oxide|iron oxide]] (5.2%), [[magnesium%20oxide|magnesium oxide]] (2.7%) and various alkalis (3.1%) (Fournier 1996). The dark brown to black clay was used by early American potter's as a black glaze for stoneware.  It was often applied to the interior of salt glazed stoneware.
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
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slip glaze
 
slip glaze
  
{| class="wikitable"
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== Physical and Chemical Properties ==
|-
 
! scope="row"| Melting Point
 
| 1240
 
|}
 
  
== Additional Information ==
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* Melting Point = 1240 C
  
R. Fournier, ''Illustrated Dictionary of Practical Pottery'', Chilton Book Co., Radnor, PA, 1996.
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==Resources and Citations==
 
 
== Authority ==
 
  
 
* Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)
 
* Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)

Latest revision as of 16:25, 1 May 2022

Underglaze of Albany slip
MFA# 2012.1107

Description

A dark, fine-grain clay obtained from near Albany, New York. Albany slip contains silicon dioxide (57.6%), Aluminum oxide (14.5%), Calcium oxide (5.7 %), iron oxide (5.2%), Magnesium oxide (2.7%) and various alkalis (3.1%) (Fournier 1996). The dark brown to black clay was used by early American potter's as a black glaze for stoneware. It was often applied to the interior of salt glazed stoneware.

Synonyms and Related Terms

slip glaze

Physical and Chemical Properties

  • Melting Point = 1240 C

Resources and Citations

  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992 Comment: composition