Difference between revisions of "Celadonite"

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== Description ==
 
== Description ==
  
A soft, gray-green, iron silicate mineral.  Celadonite was first described in 1847 on Mr. Baldo near Verona, Italy.  It is a [http://cameo.mfa.org/materials/fullrecord.asp?name=mica mica] type mineral that has been found as a [http://cameo.mfa.org/materials/fullrecord.asp?name=pigment pigment] in some Chinese and Indian paintings.
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A soft, gray-green, iron silicate mineral.  Celadonite was first described in 1847 on Mr. Baldo near Verona, Italy.  It is a [[mica]] type mineral that has been found as a [[pigment]] in some Chinese and Indian paintings.
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==

Revision as of 13:12, 1 August 2013

Celadonite

Description

A soft, gray-green, iron silicate mineral. Celadonite was first described in 1847 on Mr. Baldo near Verona, Italy. It is a mica type mineral that has been found as a pigment in some Chinese and Indian paintings.

Synonyms and Related Terms

green earth; celadonita (Esp.); Seladonit (Deut.), Celadonit (Deut.); céladonite (Fr.); seladonitis (Gr.); celadonite (It., Port.); terra verde (It.); groene aarde (Ned.)

Raman

CeladoniteRS.jpg

FTIR

Celadonite5m.jpg

FTIR

Celadonite5m.jpg

SEM

F376sem.jpg

EDS

F376edsbw.jpg


Composition K(Mg,Fe2+)(Fe3+,Al)[Si4O10](OH)2
Mohs Hardness 2
Density 2.5-2.7
Refractive Index 1.62

Additional Images


Authority

  • R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966 Comment: density 2.5-2.7 and ref.index.1.62
  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998

Retrieved from "http://cameo.mfa.org/index.php?title=Celadonite&oldid=40126"