Difference between revisions of "Illite"
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* Robert Fournier, ''Illustrated Dictionary of Practical Pottery'', Chilton Book Company, Radnor, PA, 1992 | * Robert Fournier, ''Illustrated Dictionary of Practical Pottery'', Chilton Book Company, Radnor, PA, 1992 | ||
Revision as of 05:32, 1 May 2016
Description
A class of Clay minerals composed of hydrated potassium aluminosilicates. Illites were first described in 1937 in shale samples from Calhoun county, Illinois. This grayish-green clay does not shrink on drying.
Synonyms and Related Terms
hydromica; hydromuscovite; gumbelite; illita (Esp.); illite (Fr., Port.); Illit (Deut.); illiet (Ned.)
Other Properties
Color = gray, green white Cleavage=perfect Streak = white
| Mohs Hardness | 1.0-2.0 |
|---|---|
| Density | 2.6-2.9 |
Additional Information
Web Minerals: Illite
Additional Images
Illite
Sources Checked for Data in Record
- Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992
- Website address 1 Comment: WebMinerals at http://webmineral.com/data/Illite.shtml (Accessed Sept. 7, 2005)
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Illite (Accessed Sept. 7, 2005)