Jamesonite

Jamesonite

Jamesonite is a sulfosalt mineral, a lead, iron, antimony sulfide with formula Pb4FeSb6S14. With the addition of manganese it forms a series with benavidesite. It is a dark grey metallic mineral which forms acicular prismatic monoclinic crystals. It is soft with a Mohs hardness of 2.5 and has a specific gravity of 5.5 - 5.6. It is one of the few sulfide minerals to form fibrous or needle like crystals. It can also form large prismatic crystals similar to stibnite with which it can be associated. It is usually found in low to moderate temperature hydrothermal deposits.

It was named for Scottish mineralogist Robert Jameson (1774-1854). It was first identified in 1825 in Cornwall, England. It is also reported from South Dakota and Arkansas, USA; Zacatecas, Mexico; and Romania.

External links

* [http://www.mindat.org/min-2072.html Mindat]
* [http://webmineral.com/data/Jamesonite.shtml Webmineral]
* [http://mineral.galleries.com/minerals/sulfides/jamesoni/jamesoni.htm Mineral galleries]


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Look at other dictionaries:

  • Jamesonite — Jamesonite[1] Catégorie II : sulfures et sulfosels[2] …   Wikipédia en Français

  • Jamesonite — Ja me*son*ite, n. [From Prof. Jameson, of Edinburgh.] (Min.) A steel gray mineral, of metallic luster, commonly fibrous massive. It is a sulphide of antimony and lead, with a little iron. [1913 Webster] …   The Collaborative International Dictionary of English

  • jamesonite — /jaym seuh nuyt /, n. a metallic, dark gray mineral, lead and iron antimony sulfide: formerly mined for lead. [1815 25; named after Robert Jameson (1774 1854), Scottish scientist; see ITE1] * * * …   Universalium

  • jamesonite — noun A dark grey monoclinic sulfosalt mineral with chemical formula PbFeSbS …   Wiktionary

  • jamesonite — (entrée créée par le supplément) (ja me so ni t ) s. f. Terme de minéralogie. Sulfure double d antimoine et de plomb …   Dictionnaire de la Langue Française d'Émile Littré

  • jamesonite — jame·son·ite …   English syllables

  • jamesonite — ˈjām(p)səˌnīt, məs noun ( s) Etymology: Robert Jameson died 1854 Scottish mineralogist + English ite : a gray orthorhombic mineral Pb4FeSb6S14 consisting of a lead antimony iron sulfide, having a metallic luster, and occurring in fibrous masses …   Useful english dictionary

  • Comuccite — Jamesonite Jamesonite [1] Catégorie II : sulfures et sulfosels …   Wikipédia en Français

  • Domingite — Jamesonite Jamesonite [1] Catégorie II : sulfures et sulfosels …   Wikipédia en Français

  • Pfaffite — Jamesonite Jamesonite [1] Catégorie II : sulfures et sulfosels …   Wikipédia en Français

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