• Franckeite - Wikipedia

    en.wikipedia.org/wiki/Franckeite Franckeite, chemical formula Pb 5 Sn 3 Sb 2 S 14, belongs to a family of complex sulfide minerals. Franckeite is a sulfosalt. It is closely related to cylindrite. It was first described in 1893 for an occurrence in Chocaya, Potosí Department, Bolivia.
  • Franckeite: Mineral information, data and localities.

    www.mindat.org/min-1592.html Franckeite mineral data, information about Franckeite, its properties and worldwide locations. SUPPORT US. If mindat.org is important to you, click here to donate to our Fall 2019 fundraiser! Log In Register.
  • Franckeite | Definition of Franckeite by Merriam-Webster

    www.merriam-webster.com/dictionary/franckeite Franckeite definition is - a mineral consisting of a dark gray or black massive lead antimony tin sulfide (specific gravity 5.55).
  • Franckeite | Geology Page

    www.geologypage.com/2014/03/franckeite.html Franckeite, chemical formula Fe 2+ (Pb,Sn 2+) 6 Sn 2 4+ Sb 2 S 14, belongs to a family of complex sulfide minerals. Franckeite is a sulfosalt. It is closely related to cylindrite. It was first described in 1893 for an occurrence in Chocaya, Potosí Department, Bolivia. It is named after the mining engineers, Carl and Ernest Francke.
  • Franckeite | Article about franckeite by The Free Dictionary

    encyclopedia2.thefreedictionary.com/franckeite The place in question is an entirely landlocked, mountainous, somewhat mysterious-seeming country which boasts a long mining history and has a secure reputation for turning out world-class specimens of--oh, let's see--metallic species (andorite, pyrarygrite, stannite, franckeite, cylindrite), other primary ores (cassiterite, ferberite), and ...
  • The crystal structure of franckeite, Pb21.7Sn9.3Fe4.0Sb8.1S56

    rruff-2.geo.arizona.edu/uploads/AM96_1686.pdf franckeite is a broad solid-solution series with an extensive Pb . for Sn. 2+ substitution. Franckeite is a natural layer-misfit structure with two-dimen-sional non-commensurability of component layers, the second such structure after cylindrite. The purpose of the current study is to determine and refine the crystal structure of franckeite ...
  • Franckeite Mineral Specimens - irocks.com

    www.irocks.com/minerals/species/buy-franckeite-fine-mineral-specimens-photos MD-284796 Franckeite (Var: Potosiite), Franckeite Small Cabinet, 8.8 x 6.8 x 3.7 cm San Jose Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
  • Franckeite - Mindat.org

    www.mindat.org/gm/1592 This is one of the very few specimens of Franckeite that I have seen from the Siglo Veinte mine. This specimen is a rich, rare, crystallized specimen of the triclinic lead, tin, iron, antimony sulfosalt Franckeite consisting of somewhat "sword"-shaped crystals forming spherical aggregates which are sitting on bright, lustrous, ...
  • Franckeite Mineral Data

    webmineral.com/data/Franckeite.shtml Visit our Advertisers for Franckeite : Dakota Matrix Minerals Google Search for Franckeite John Betts Fine Minerals Search for Franckeite McDougall Minerals Google Search for Franckeite Rock and Mineral Shows Google Search for Franckeite Weinrich Minerals, Inc. Google Search for Franckeite. Ask about Franckeite here :
  • Category:Franckeite - Wikimedia Commons

    commons.wikimedia.org/wiki/Category:Franckeite Media in category "Franckeite" The following 71 files are in this category, out of 71 total.