Difference between revisions of "Natrolite"
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A white, glassy zeolite mineral composed of hydrated sodium aluminosilicate. Natrolite was named by Heinrich Klaproth in 1803. The mineral occurs in France (Puy-deMarman), Italy (Brevino), Norway (Brevik), Ireland (Belfast), the Faroe Islands, and the U.S. (New Jersey, Montana, California). It was one of the first zeolite minerals to be used as a cation exchanger in water softeners. | A white, glassy zeolite mineral composed of hydrated sodium aluminosilicate. Natrolite was named by Heinrich Klaproth in 1803. The mineral occurs in France (Puy-deMarman), Italy (Brevino), Norway (Brevik), Ireland (Belfast), the Faroe Islands, and the U.S. (New Jersey, Montana, California). It was one of the first zeolite minerals to be used as a cation exchanger in water softeners. | ||
| − | + | [[File:pn30226natrolite.jpg|thumb|Natrolite]] | |
| + | [[[SliderGallery rightalign|natroliteRS.jpg~Raman|Natroliteitaly1.jpg~Raman]]] | ||
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
fargite (red color) | fargite (red color) | ||
| − | + | == Physical and Chemical Properties == | |
| − | + | * Orthorhombic system with fibrous crystals or masses. | |
| − | + | * Cleavage is perfect in one direction. | |
| − | Orthorhombic system with fibrous crystals or masses. Cleavage is perfect in one direction. | + | * Fracture = uneven. |
| − | + | * Luster = vitreous to silky. | |
| − | Fracture = uneven. Luster = vitreous to silky. Streak = colorless | + | * Streak = colorless |
{| class="wikitable" | {| class="wikitable" | ||
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|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 2.2-2.3 | + | | 2.2-2.3 g/ml |
|} | |} | ||
| − | == | + | ==Resources and Citations== |
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| − | + | * Mineralogy Database: [http://www.webmineral.com/data/Natrolite.shtml Natrolite] | |
| − | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "natrolite." | + | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "natrolite." Accessed 6 Oct. 2004. |
* C.W.Chesterman, K.E.Lowe, ''Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf, New York, 1979 | * C.W.Chesterman, K.E.Lowe, ''Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf, New York, 1979 | ||
| − | * Wikipedia | + | * Wikipedia: http://en.wikipedia.org/wiki/Natrolite (Accessed Sept. 10, 2005) |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 10:10, 19 October 2022
Description
A white, glassy zeolite mineral composed of hydrated sodium aluminosilicate. Natrolite was named by Heinrich Klaproth in 1803. The mineral occurs in France (Puy-deMarman), Italy (Brevino), Norway (Brevik), Ireland (Belfast), the Faroe Islands, and the U.S. (New Jersey, Montana, California). It was one of the first zeolite minerals to be used as a cation exchanger in water softeners.
Synonyms and Related Terms
fargite (red color)
Physical and Chemical Properties
- Orthorhombic system with fibrous crystals or masses.
- Cleavage is perfect in one direction.
- Fracture = uneven.
- Luster = vitreous to silky.
- Streak = colorless
| Composition | Na2(Al2Si3O10)2H2O |
|---|---|
| Mohs Hardness | 5.0 - 5.5 |
| Density | 2.2-2.3 g/ml |
Resources and Citations
- Mineralogy Database: Natrolite
- Encyclopedia Britannica, http://www.britannica.com Comment: "natrolite." Accessed 6 Oct. 2004.
- C.W.Chesterman, K.E.Lowe, Audubon Society Field Guide to North American Rocks and Minerals, Alfred A. Knopf, New York, 1979
- Wikipedia: http://en.wikipedia.org/wiki/Natrolite (Accessed Sept. 10, 2005)