• Montdorite: Mineral information, data and localities.

    www.mindat.org/min-2762.html Montdorite mineral data, information about Montdorite, its properties and worldwide locations. Mica Group.
  • Montdorite Mineral Data

    webmineral.com/data/Montdorite.shtml Visit our Advertisers for Montdorite : A Bijoux Google Search for Montdorite Dakota Matrix Minerals Google Search for Montdorite John Betts Fine Minerals Search for Montdorite McDougall Minerals Google Search for Montdorite Rock and Mineral Shows Google Search for Montdorite Weinrich Minerals, Inc. Google Search for Montdorite. Ask about ...
  • Montdorite mineral information and data - dakotamatrix.com

    www.dakotamatrix.com/mineralpedia/7155/montdorite Montdorite. Formula KFe 2+ 1.5 Mn 2+ 0.5 Mg 0.5 Si 4 O 10 (F,OH) 2 Crystal System Monoclinic Crystal Habit Microscopic Crystals Color green, brownish green Class Monoclinic - Prismatic Hardness - WebMineral View Montdorite Mindat View Montdorite . Localities of Montdorite. No localitiy information available.
  • Montdorite Mineral Gallery in Online Mineral Museum ...

    www.johnbetts-fineminerals.com/jhbnyc/mineralmuseum/gallery.php Online mineral museum photograph archive of minerals: Montdorite Mineral Gallery. Montdorite Minerals. This gallery is part of the photographic archive of minerals. The minerals illustrated sold previously and are for photographic reference only. Click here to see Online Mineral Gallery.
  • Montdorite - RRUFF Database: Raman, X-ray, Infrared, and ...

    rruff.info/Montdorite Welcome to the RRUFF Project website containing an integrated database of Raman spectra, X-ray diffraction and chemistry data for minerals.
  • Montdorite Mineral Specimen For Sale - Dakota Matrix Minerals

    www.dakotamatrix.com/products/5093/montdorite Montdorite - Phyllosilicate - Monoclinic - Mica group member. Ordinary (True or Common) Mica - Trioctahderal. Mn in the octahedrally coordinated positions and Fluorine in the (A) position. Per Lauf, occurs as minute 5-25 micron sized green crystals, in aluminum poor micas and was not found in nature until 1979. Mindat lists 3 worldwide localities all at volcanoes.
  • Montmorillonite - Wikipedia

    en.wikipedia.org/wiki/Montmorillonite Montmorillonite is a very soft phyllosilicate group of minerals that form when they precipitate from water solution as microscopic crystals, known as clay.It is named after Montmorillon in France.Montmorillonite, a member of the smectite group, is a 2:1 clay, meaning that it has two tetrahedral sheets of silica sandwiching a central octahedral sheet of alumina.
  • Nontronite - Wikipedia

    en.wikipedia.org/wiki/Nontronite Nontronite is the iron(III) rich member of the smectite group of clay minerals. Nontronites typically have a chemical composition consisting of more than ~30% Fe 2 O 3 and less than ~12% Al 2 O 3 (ignited basis).
  • Amethyst Galleries - THE MICA GROUP

    www.galleries.com/Mica_Group The micas are an important group of minerals. They represent the classic phyllosilicate mineral and are usually the first minerals to be thought of from this subclass of the Silicates Class. Micas are significant rock forming minerals being found in all three rock types: igneous, metamorphic and sedimentary.
  • Muscovite Mineral Data

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