Difference between revisions of "Greensand"
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== Description == | == Description == | ||
| − | A naturally occurring green-color sand that contains carbonates and [ | + | A naturally occurring green-color sand that contains carbonates and [[glauconite]] along with a large percentage of [[silica]], [[potash]], and [[alumina]]. Greensand is used for water filtration and water softening because it extracts [[calcium]] and [[magnesium]] from the water. It is also used as a refractory material in foundries. See also [[foundry sand]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 09:15, 16 January 2014
Description
A naturally occurring green-color sand that contains carbonates and Glauconite along with a large percentage of Silica, Potash, and Alumina. Greensand is used for water filtration and water softening because it extracts Calcium and Magnesium from the water. It is also used as a refractory material in foundries. See also Foundry sand.
Synonyms and Related Terms
Glaukonitsand (Deut.)
Authority
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 238
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000