Hopeite

Hopeite

Hopeite is a hydrated zinc phosphate with formula: Zn3(PO4)2·4H2O. It is a rare mineral used mainly as a collectors specimen.

Hopeite crystallizes in the orthorhombic system with prismatic, vitreous white to yellow crystals. It also forms druzy encrustations and reniform masses. It has a Mohs hardness of 3 to 3.5 and a specific gravity of 3.

It was first described in 1822 from Moresnet, Liège Province, Belgium and is named after Scottish chemist, Thomas Charles Hope (1766-1844) of Edinburgh University.

It has been found in Zambia associated with lazulite.

References

* [http://www.mindat.org/min-1999.html Mindat with location data]
* [http://mineral.galleries.com/minerals/phosphat/hopeite/hopeite.htm Mineral galleries]
* [http://webmineral.com/data/Hopeite.shtml Webmineral data]


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Look at other dictionaries:

  • Hopeite — Hope ite, n. [Named after Professor Hope, of Edinburgh.] (Min.) A hydrous phosphate of zinc in transparent prismatic crystals. [1913 Webster] …   The Collaborative International Dictionary of English

  • hopeite —    A cave mineral Zn3(PO4)2●4H2O [11] …   Lexicon of Cave and Karst Terminology

  • hopeite — hope·ite …   English syllables

  • hopeite — ˈhōˌpīt noun ( s) Etymology: Thomas C. Hope died 1844 Scottish chemist + English ite : a mineral Zn3(PO4)2.4H2O consisting of a hydrous phosphate of zinc (sp. gr. 2.76 2.85) …   Useful english dictionary

  • Zinc oxide — Other names Zinc white Calamine Identifiers …   Wikipedia

  • 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

  • parahopeite — |parə+ noun Etymology: para (I) + hopeite : a mineral Zn3(PO4)2.4H2O consisting of a hydrous zinc phosphate, being dimorphous with hopeite, and occurring in colorless tabular triclinic crystals (hardness 3.7, specific gravity 3.3) …   Useful english dictionary

  • List of minerals — This is a List of minerals for which there are Wikipedia articles. Mineral variety names and mineraloids are to be listed after the valid minerals for each letter.For a complete listing (about 4,000) of all mineral names: List of minerals… …   Wikipedia

  • Zinc phosphate — Chembox new Name = Zinc phosphate ImageFile = Zinc phosphate.jpg ImageName = Zinc phosphate OtherNames = Section1 = Chembox Identifiers CASNo = 7779 90 0 Section2 = Chembox Properties Formula = Zn3(PO4)2 MolarMass = 386.11 g/mol Appearance =… …   Wikipedia

  • Liste des mineraux (lettre H) — Liste des minéraux (lettre H) liste des minéraux A B C D E F G H I J K L M N O P Q R S T U V W …   Wikipédia en Français

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