Difference between revisions of "Carnallite"
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== Description == | == Description == | ||
| − | A naturally occurring mineral composed of the hydrated chloride salt of [ | + | A naturally occurring mineral composed of the hydrated chloride salt of [[potassium]] and [[magnesium]]. Carnallite is a white or reddish, translucent mineral with a greasy luster. It often occurs in deposits rich in [[potash]] and is found in Canada, France, Poland, Germany, Spain, Tunisia, Iran, and the western U.S. Carnallite is used in fertilizers. It has also been identified as a chloride [[efflorescence]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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| − | == | + | == Sources Checked for Data in Record == |
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 | ||
Revision as of 14:35, 29 April 2016
Description
A naturally occurring mineral composed of the hydrated chloride salt of Potassium and Magnesium. Carnallite is a white or reddish, translucent mineral with a greasy luster. It often occurs in deposits rich in Potash and is found in Canada, France, Poland, Germany, Spain, Tunisia, Iran, and the western U.S. Carnallite is used in fertilizers. It has also been identified as a chloride Efflorescence.
Synonyms and Related Terms
carnalita (Esp.); Carnallit (Deut.); carnallita (Port.)
Other Properties
Orthorhombic crystalline system usually occuring in masses. Soluble in water. Deliquesces in humid environments. Strongly phosphorescent. Luster = greasy Fracture = conchoidal
| Composition | KMgCl3-6H2O |
|---|---|
| Mohs Hardness | 1.0 - 2.5 |
| Density | 1.62 |
| Refractive Index | 1.46;1.47;1.44 |
Sources Checked for Data in Record
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Encyclopedia Britannica, http://www.britannica.com Comment: "Carnallite." Encyclopædia Britannica. 26 Apr. 2004 .