• Middendorfite: Mineral information, data and localities.

    www.mindat.org/min-28996.html Search for Middendorfite on Well-Arranged Molecules; Top quality minerals from Kristalle of California. Localities for MiddendorfiteHide. This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality ...
  • Middendorfite Mineral Data

    webmineral.com/data/Middendorfite.shtml PE Middendorfite = 6.94 barns/electron U=PE Middendorfite x r electron = 17.78 barns/cc. Radioactivity: GRapi = 120.09 (Gamma Ray American Petroleum Institute Units) Concentration of Middendorfite per GRapi unit = 0.83 (%) Estimated Radioactivity from Middendorfite - barely detectable
  • Middendorfite Mineral Data

    webmin.mindat.org/data/Middendorfite.shtml General Middendorfite Information : Chemical Formula: K3Na2Mn5Si12(O,OH)36•2H2O : Composition: Molecular Weight = 1,408.07 gm Potassium 8.44 % K 10.17 % K 2 O: Sodium 3.38 % Na 4.56 % Na 2 O: Calcium 0.09 % Ca 0.12 % CaO: Magnesium 0.10 % Mg 0.17 % MgO: Titanium 0.10 % Ti 0.17 % TiO 2: Manganese 19.31 % Mn 24.94 % MnO ...
  • Middendorfite, K3Na2Mn5Si12(O,OH)36 · 2H2O, a new mineral ...

    adsabs.harvard.edu/abs/2007GeoOD..49..522P Middendorfite is a phyllosilicate related to bannisterite, parsenttensite, and the minerals of the ganophyllite and stilpnomelane groups. The new mineral is named in memory of A.F. von Middendorff (1815 1894), an outstanding scientist, who carried out the first mineralogical investigations in the Khibiny pluton.
  • Middendorfite K N Mn Si (О, ОН) ·2Н О

    www.handbookofmineralogy.com/pdfs/middendorfite.pdf Middendorfite K 3 Nа 2 Mn 5 Si 12(О, ОН) 36·2Н 2О Crystal Data: Monoclinic. Point Group: 2/m or 2. As imperfect rhombic or octagonal plates, to 0.4 mm; as intergrown wormlike segregations, to 1 mm, or fan-shaped intergrowths. Physical Properties: Cleavage: Perfect {001}.
  • Middendorfite - Mindat.org

    www.mindat.org/photo-174909.html Welcome to the mindat.org media viewer. Here is a quick guide to some of the options available to you. Different controls are available depending on the type of media being shown (photo, video, animation, 3d image) ... Small red-brown crystals of Middendorfite on feldspar from the type locality, the Hilairitovoye pegmatite in the Kirovskii mine ...
  • Middendorfite, K 3 Na 2 Mn 5 Si 12 (O,OH) 36 · 2H 2 O, a ...

    ui.adsabs.harvard.edu/abs/2007GeoOD..49..522P/abstract Middendorfite, a new mineral species, has been found in a hydrothermal assemblage in Hilairite hyperperalkaline pegmatite at the Kirovsky Mine, Mount Kukisvumchorr apatite deposit, Khibiny alkaline pluton, Kola Peninsula, Russia. Microcline, sodalite, cancrisilite, aegirine, calcite, natrolite, fluorite, narsarsukite, labuntsovite-Mn, mangan-neptunite, and donnayite are associated minerals.
  • Middendorfite, K 3 Na 2 Mn 5 Si 12 (O,OH) 36 · 2H 2 O, a ...

    www.researchgate.net/.../240671522_Middendorfite_K_3_Na_2_Mn_5_Si_12_OOH_36_2... Middendorfite, K 3 Na 2 Mn 5 Si 12 (O,OH) 36 · 2H 2 O, a new mineral species from the Khibiny pluton, Kola Peninsula Article in Geology of Ore Deposits 49(7):522-529 · December 2007 with 24 Reads
  • List of minerals approved by IMA (M) - Wikipedia

    en.wikipedia.org/wiki/List_of_minerals_M_(complete) This list includes those recognised minerals beginning with the letter M.The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go through the official naming procedure, although some minerals published previously have been either confirmed or discredited since that date.
  • Middendorf's whelk - definition - English

    glosbe.com/en/en/Middendorf's%20whelk Showing page 1. Found 0 sentences matching phrase "Middendorf's whelk".Found in 0 ms. Translation memories are created by human, but computer aligned, which might cause mistakes. They come from many sources and are not checked. Be warned.