Difference between revisions of "Greensand"
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== Description == | == Description == | ||
| − | A naturally occurring green-color sand that contains carbonates and [http://cameo.mfa.org/materials/fullrecord.asp?name=glauconite glauconite] along with a large percentage of [http://cameo.mfa.org/materials/fullrecord.asp?name=silica silica], [http://cameo.mfa.org/materials/fullrecord.asp?name=potash potash], and [http://cameo.mfa.org/materials/fullrecord.asp?name=alumina alumina]. Greensand is used for water filtration and water softening because it extracts [http://cameo.mfa.org/materials/fullrecord.asp?name=calcium calcium] and [http://cameo.mfa.org/materials/fullrecord.asp?name=magnesium magnesium] from the water. It is also used as a refractory material in foundries. See also [http://cameo.mfa.org/materials/fullrecord.asp?name=foundry | + | A naturally occurring green-color sand that contains carbonates and [http://cameo.mfa.org/materials/fullrecord.asp?name=glauconite glauconite] along with a large percentage of [http://cameo.mfa.org/materials/fullrecord.asp?name=silica silica], [http://cameo.mfa.org/materials/fullrecord.asp?name=potash potash], and [http://cameo.mfa.org/materials/fullrecord.asp?name=alumina alumina]. Greensand is used for water filtration and water softening because it extracts [http://cameo.mfa.org/materials/fullrecord.asp?name=calcium calcium] and [http://cameo.mfa.org/materials/fullrecord.asp?name=magnesium magnesium] from the water. It is also used as a refractory material in foundries. See also [http://cameo.mfa.org/materials/fullrecord.asp?name=foundry%20sand foundry sand]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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== Authority == | == 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 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 06:41, 24 July 2013
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