Difference between revisions of "Celadonite"
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[[File:pc40801celadonite2.jpg|thumb|Celadonite]] | [[File:pc40801celadonite2.jpg|thumb|Celadonite]] | ||
== Description == | == Description == | ||
| − | + | [[File:celadonite C100x.jpg|thumb|Green earth (celadonite)]] | |
| − | A soft, gray-green, iron silicate mineral. Celadonite was first described in 1847 on Mr. Baldo near Verona, Italy. It is a [ | + | 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 == | ||
| − | 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.) |
| − | + | ==Physical and Chemical Properties== | |
{| class="wikitable" | {| class="wikitable" | ||
| Line 19: | Line 18: | ||
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 2.5-2.7 | + | | 2.5-2.7 g/ml |
|- | |- | ||
! scope="row"| Refractive Index | ! scope="row"| Refractive Index | ||
| Line 28: | Line 27: | ||
<gallery> | <gallery> | ||
| − | |||
| − | |||
File:PIG376.jpg|XRD pattern of green earth | File:PIG376.jpg|XRD pattern of green earth | ||
| − | File: | + | File:Celadonite, collodion slide (Forbes MFA 376), 532nm.TIF|Raman (MFA) |
| + | File:Celadonite.PNG|FTIR (MFA) | ||
| + | File:Slide2 celadonite.PNG|XRF | ||
| + | File:f376sem.jpg|SEM | ||
| + | File:f376edsbw.jpg|EDS | ||
</gallery> | </gallery> | ||
| + | ==Resources and Citations== | ||
| − | + | * 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 | + | * Wikipedia: 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 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
Latest revision as of 08:08, 24 May 2022
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.)
Physical and Chemical Properties
| Composition | K(Mg,Fe2+)(Fe3+,Al)[Si4O10](OH)2 |
|---|---|
| Mohs Hardness | 2 |
| Density | 2.5-2.7 g/ml |
| Refractive Index | 1.62 |
Additional Images
XRD pattern of green earth
Raman (MFA)
FTIR (MFA)
XRF
SEM
EDS
Resources and Citations
- 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: 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