Difference between pages "File:2003.72-SC108087.jpg" and "Carat"

From CAMEO
(Difference between pages)
Jump to navigation Jump to search
 
 
Line 1: Line 1:
−
'''Bernardo Strozzi, ''' Italian (Genoese, active in Genoa and Venice), 1581?1644
+
[[File:2006.47-SC176532.jpg|thumb|Amethyst ring with 18kt gold<br>MFA# 2006.47]]
 +
== Description ==
  
−
'''''Upper Section of Saint Sebastian Tended by Saint Irene and Her Maid'''''
+
1) A unit of weight for gemstones.  One carat is 200 milligrams.  Carat was used in the middle ages by alchemists.
  
−
Italy, about 1631?6
+
2) (usually spelled karat) A unit of measure for the purity of gold.  Pure gold is 24 karat or 1000 fine.  A gold alloy that contains 75% gold is 18 karat or 750 fine.
  
−
Oil on canvas
+
== Synonyms and Related Terms ==
  
−
Overall: 85 x 121.5 cm (33 7/16 x 47 13/16 in.)
+
karat; Karat (Deut.); carat (Fr.); fine
  
−
Museum of Fine Arts, Boston: Henry H. and Zoe Oliver Sherman Fund  2003.72
+
==Resources and Citations==
  
−
''for more information see:''
+
* David C. Scott, ''Metallography and Microstructure of Ancient and Historic Metals'', The Getty Conservation Institute, Los Angeles, 1991
−
[https://collections.mfa.org/objects/398741/upper-section-of-saint-sebastian-tended-by-saint-irene-and-h?ctx=8f92172a-ffc2-4bab-ae0e-130014e9325d&idx=0 MFA Online Collections Database]
+
 
 +
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998
 +
 
 +
* Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997
 +
 
 +
 
 +
 
 +
[[Category:Materials database]]

Revision as of 14:41, 19 May 2022

Amethyst ring with 18kt gold
MFA# 2006.47

Description

1) A unit of weight for gemstones. One carat is 200 milligrams. Carat was used in the middle ages by alchemists.

2) (usually spelled karat) A unit of measure for the purity of gold. Pure gold is 24 karat or 1000 fine. A gold alloy that contains 75% gold is 18 karat or 750 fine.

Synonyms and Related Terms

karat; Karat (Deut.); carat (Fr.); fine

Resources and Citations

  • David C. Scott, Metallography and Microstructure of Ancient and Historic Metals, The Getty Conservation Institute, Los Angeles, 1991
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current16:48, 20 April 2013Thumbnail for version as of 16:48, 20 April 20131,200 × 2,500 (328 KB)Maintenance script (talk)Importing image file

You cannot overwrite this file.

The following page uses this file:

Retrieved from "https://cameo.mfa.org/index.php?title=File:2003.72-SC108087.jpg&oldid=86080"