Difference between revisions of "Celadonite"
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== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| − | green earth; celadonita (Esp.); Seladonit (Deut.), Celadonit (Deut.); | + | green earth; celadonita (Esp.); Seladonit (Deut.), Celadonit (Deut.); céladonite (Fr.); seladonitis (Gr.); celadonite (It., Port.); terra verde (It.); groene aarde (Ned.) |
[[[SliderGallery rightalign|celadoniteRS.jpg~Raman|Celadonite5m.jpg~FTIR|Celadonite5m.jpg~FTIR|f376sem.jpg~SEM|f376edsbw.jpg~EDS]]] | [[[SliderGallery rightalign|celadoniteRS.jpg~Raman|Celadonite5m.jpg~FTIR|Celadonite5m.jpg~FTIR|f376sem.jpg~SEM|f376edsbw.jpg~EDS]]] | ||
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== Authority == | == 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) |
* Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Celadonite (Accessed Sept. 2, 2005)mohs=2, spec. grav=3) | * Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Celadonite (Accessed Sept. 2, 2005)mohs=2, spec. grav=3) | ||
Revision as of 06:43, 24 July 2013
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.)
| Composition | K(Mg,Fe2+)(Fe3+,Al)[Si4O10](OH)2 |
|---|---|
| Mohs Hardness | 2 |
| Density | 2.5-2.7 |
| Refractive Index | 1.62 |
Additional Images
Green earth (celadonite)
XRD pattern of green earth
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)
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Celadonite (Accessed Sept. 2, 2005)mohs=2, spec. grav=3)
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998