Haidingerite

Haidingerite

Haidingerite is a calcium arsenate mineral with formula Ca(AsO3OH)·H2O. It crystallizes in the orthorhombic crystal system as short prismatic to equantcrystals. It typically occurs as scaly, botryoidal or fibrous coatings. It is soft, Mohs hardness of 2 to 2.5, and has a specific gravity of 2.95. It has refractive indices of nα = 1.590, nβ = 1.602 and nγ = 1.638. It was originally discovered in 1827 in Jáchymov, Czech Republic. It occurs as a dehydration product of pharmacolite in the Getchell mine, Nevada.

References

* Palache, C., H. Berman, and C. Frondel (1951) "Dana’s system of mineralogy", (7th edition), v. II, pp.708–709.
* [http://www.mindat.org/min-1797.html Mindat with location data]
* [http://www.webmineral.com/data/Haidingerite.shtml Webmineral data]
* [http://rruff.geo.arizona.edu/doclib/hom/haidingerite.pdf Mineral Data Publishing - PDF]


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Look at other dictionaries:

  • Haidingerite — Hai ding*er*ite (h[imac] d[i^]ng*[ e]r*[imac]t), n. (Min.) A mineral consisting chiefly of the arseniate of lime; so named in honor of W. Haidinger, of Vienna. [1913 Webster] …   The Collaborative International Dictionary of English

  • Haidingerite — noun (Minerals) A mineral consisting of the arseniate of lime …   Wiktionary

  • haidingérite — (entrée créée par le supplément) (hê din jé ri t ) s. f. Terme de minéralogie. Sulfure double d antimoine et de fer …   Dictionnaire de la Langue Française d'Émile Littré

  • haidingerite — hai·ding·er·ite …   English syllables

  • haidingerite — ˈhīdiŋəˌrīt noun ( s) Etymology: Wilhelm Karl von Haidinger died 1871 Austrian mineralogist + English ite : a mineral HCaAsO4.H2O consisting of white hydrous calcium arsenate …   Useful english dictionary

  • List of minerals F-J (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… …   Wikipedia

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