Difference between revisions of "Celadonite"
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File:celadonite C100x.jpg|Green earth (celadonite) | File:celadonite C100x.jpg|Green earth (celadonite) | ||
File:PIG376.jpg|XRD pattern of green earth | File:PIG376.jpg|XRD pattern of green earth | ||
| − | File:Celadonite, collodion slide (Forbes MFA 376), 532nm.TIF | + | File:Celadonite, collodion slide (Forbes MFA 376), 532nm.TIF|Raman (MFA) |
| − | File:Celadonite.PNG | + | File:Celadonite.PNG|FTIR (MFA) |
| − | File:Slide2 celadonite.PNG | + | File:Slide2 celadonite.PNG|XRF |
| − | File:f376sem.jpg | + | File:f376sem.jpg|SEM |
| − | File:f376edsbw.jpg | + | File:f376edsbw.jpg|EDS |
</gallery> | </gallery> | ||
Revision as of 08:00, 8 October 2019
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
Raman (MFA)
FTIR (MFA)
XRF
SEM
EDS
Sources Checked for Data in Record
- 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