• Ahlfeldite: Mineral information, data and localities.

    www.mindat.org/min-61.html Ahlfeldite mineral data, information about Ahlfeldite, its properties and worldwide locations.
  • Ahlfeldite | Article about ahlfeldite by The Free Dictionary

    encyclopedia2.thefreedictionary.com/ahlfeldite Ahlfeldite is rare, occurring on only a few samples as an alteration product of penroseite in crystalline crusts 1 to 1.5 mm thick covering areas of only a few square millimeters or filling small cavities. Ahlfeldite is monoclinic and the crystals are elongated along the c-axis or flattened on {110}.
  • Ahlfeldite - Wikipedia

    en.wikipedia.org/wiki/Ahlfeldite Ahlfeldite ((Ni,Co)[Se O 3]·2H 2 O) is a mineral of secondary origin. It is named after Friedrich Ahlfeld (1892–1982), a German-Bolivian mining engineer and geologist. Its type locality is Virgen de Surumi mine, Pakajake Canyon, Chayanta Province, Potosí Department, Bolivia.. References
  • Ahlfeldite dictionary definition | ahlfeldite defined

    www.yourdictionary.com/ahlfeldite ahlfeldite definition: Noun (uncountable) 1. (mineralogy) A secondary selenite mineral found in Bolivia.Origin -ite...
  • Ahlfeldite Mineral Data

    webmineral.com/data/Ahlfeldite.shtml Ahlfeldite Crystallography: Axial Ratios: a:b:c =0.8595:1:0.734 : Cell Dimensions: a = 7.53, b = 8.76, c = 6.43, Z = 4; beta = 99.083° V = 418.82 Den(Calc)= 3.52
  • ahlfeldite - Wiktionary

    en.wiktionary.org/wiki/ahlfeldite ahlfeldite (uncountable) A secondary selenite mineral found in Bolivia. Further reading “Ahlfeldite” in David Barthelmy, Webmineral Mineralogy Database, 1997–. “ahlfeldite”, in Mindat.org‎, Hudson Institute of Mineralogy, accessed 29 August 2016.
  • Ahlfeldite NiSe4+O 2H O 3 2 - Handbook of Mineralogy

    www.handbookofmineralogy.com/pdfs/ahlfeldite.pdf Ahlfeldite NiSe4+O3• 2H2O c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic. Point Group: 2/m. Rare crystals, to 1 mm, elongated along [001] or flattened parallel {110}, showing {110}, {011}, {032}, {103}, {101}; in crystalline crusts and spherical aggregates. Physical Properties: Cleavage: On {110} and {103}, fair ...
  • Ahlfeldite - Mindat.org

    www.mindat.org/gm/61 Pink plates of ahlfeldite with blue crystalline chalcomenite on a krut'aite-penroseite matrix. The ahlfeldite is colored pink by a small amount of cobalt in the structure. Other mineral associated but not in the photograph is alfredopetrovite.
  • What does ahlfeldite mean? - definitions

    www.definitions.net/definition/ahlfeldite Definition of ahlfeldite in the Definitions.net dictionary. Meaning of ahlfeldite. What does ahlfeldite mean? Information and translations of ahlfeldite in the most comprehensive dictionary definitions resource on the web.
  • Ahlfeldite Mineral Data

    webmineral.com/data/Ahlfeldite1.shtml PE Ahlfeldite = 36.70 barns/electron U=PE Ahlfeldite x r electron = 123.17 barns/cc. Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units) Ahlfeldite is Not Radioactive : Ahlfeldite Classification: Dana Class: Selenites - Tellurites - Sulfites