Alforsite

Alforsite

Alforsite is a mineral, Ba5Cl(PO4)3, composed of barium, phosphorus, chlorine, and oxygen. It was discovered in 1981, and named to honor geologist John T. Alfors (1930-2005) of the [http://www.consrv.ca.gov/cgs/index.htm California Geological Survey] (formerly [http://www.consrv.ca.gov/index/AboutUs/aboutUs_CGS.htm California Division of Mines and Geology)] for his work in the area where it was discovered.

Alforsite is a hexagonal colorless crystal in the chemical class phosphates and the group apatite. It is found in certain parts of central California, primarily Fresno, Mariposa, and Tulare Counties. It has also been found in Baja California, Mexico.

Properties

ee also

*List of minerals
*List of minerals named after people

External links

* [http://webmineral.com/data/Alforsite.shtml Webmineral]
* [http://www.mindat.org/min-112.html Mindat]
* [http://euromin.w3sites.net/mineraux/ALFORSITE.html Euromin]
* [http://www.consrv.ca.gov/CGS/index.htm California Geological Survey]
* [http://www.consrv.ca.gov/cgs/cgs_history/jalfors/JohnAlfors.htm John T. Alfors obituary (CGS)]


Wikimedia Foundation. 2010.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • alforsite — noun A hexagonal phosphate mineral of the apatite group, composed of barium, phosphorus, chlorine, and oxygen …   Wiktionary

  • List of minerals A-B (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

  • 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

  • List of minerals named after people — This is a list of minerals named after people. The chemical composition follows name when available.: For other lists of eponyms (names derived from people) see Lists of etymologies. : For a list of eponyms sorted by name see List of… …   Wikipedia

  • Apatite — Catégorie VIII : phosphates, arséniates, vanadates[1] Apatite Québec (Xl 32cm) …   Wikipédia en Français

  • Classification of minerals — This list gives an overview of the classification of minerals (non silicates) and includes mostly IMA recognized minerals and its groupings. This list complements the alphabetical list on List of minerals (complete) and List of minerals. Rocks,… …   Wikipedia

  • Alforsita — General Categoría Minerales fosfatos Clase 8.BN.05 (Strunz) Fórmula química Ba5(PO4)3Cl Propiedades …   Wikipedia Español

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”