Difference between revisions of "Darapskite"
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== Description == | == Description == | ||
| − | A mineral composed of a combined salt of [http://cameo.mfa.org/materials/fullrecord.asp?name=sodium | + | A mineral composed of a combined salt of [http://cameo.mfa.org/materials/fullrecord.asp?name=sodium%20nitrate sodium nitrate] and [http://cameo.mfa.org/materials/fullrecord.asp?name=sodium%20sulfate sodium sulfate]. Darapskite occurs naturally in the nitrate ores of the Atacama desert in Chile and the [http://cameo.mfa.org/materials/fullrecord.asp?name=limestone limestone] caves in Texas. It has also been found as an efflorescence on the [http://cameo.mfa.org/materials/fullrecord.asp?name=plaster plaster] of a 15th century church in the Netherlands (Holtkamp and Heijnen 1991). |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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== Authority == | == Authority == | ||
| − | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "nitrate and iodate minerals." | + | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "nitrate and iodate minerals." Encyclopædia Britannica. 10 Nov. 2004 . |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 07:48, 24 July 2013
Description
A mineral composed of a combined salt of sodium nitrate and sodium sulfate. Darapskite occurs naturally in the nitrate ores of the Atacama desert in Chile and the limestone caves in Texas. It has also been found as an efflorescence on the plaster of a 15th century church in the Netherlands (Holtkamp and Heijnen 1991).
Synonyms and Related Terms
darapskite (Port.); Darapskit (Deut.)
| Composition | Na3(NO3)(SO4)-H2O |
|---|
Additional Information
M.Holtkamp, W.Heijnen, "The Mineral Darapskite in the Efflorescence on Two Dutch Churches" Studies in Conservation, 36:175-178, 1991.
Authority
- Encyclopedia Britannica, http://www.britannica.com Comment: "nitrate and iodate minerals." Encyclopædia Britannica. 10 Nov. 2004 .