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what is glauconite mineral

  • Glauconite mineral Britannica

    Glauconite, greenish ferric-iron silicate mineral with micaceous structure [(K, Na)(Fe3+,Al, Mg)2(Si, Al)4O10(ΟH)2], characteristically formed on submarine elevations ranging in depth from 30 to 1,000 metres (100 to 3,300 feet) below sea level. Glauconite is abundant only in sea-floor areas that

  • Glauconite: Mineral information, data and localities.

    Odin, G. (1961) Modalités du passage continu du sédiment argileux au minéral glauconite dans les formations éocènes du Rodenberg (Flandre Occidentale, Belgique). Comptes rendus de l'Académie des Sciences de Paris, 274, série D, n°5, 660. Bentor, Y.K., Kestner, M. (1965) Mineralogy and origin of glauconite. Journal of Sedimentary Petrology: 35: 155-166. Foster, M.D. (1969) Studies of

  • Glauconite Mineral Data Mineralogy Database

    Glauconite Mineral Data Search Webmineral : Home: Crystal: jmol: jPOWD: Chem: X Ray: Dana: Strunz: Properties: A to Z: Images: Share : News: Help: About: Advertisment. General Glauconite Information : stone Formula: (K,Na)(Fe+++,Al,Mg)2(Si,Al)4O10(OH)2 : Composition: Molecular Weight = 426.93 gm Potassium 5.49 % K 6.62 % K 2 O Sodium 0.27 % Na 0.36 % Na 2 O

  • Glauconite an overview ScienceDirect Topics

    The glauconite appears to be gradually changed to a mixed-layer mineral with less potassium (glauconite mica) until the oxide-kaolinite stage is reached. The evolution in carbonates would be a sort of “reverse” weathering, which arrives gradually in an alkali-free assemblage, whereas in sandstones the alteration is made, apparently, in one step with the formation of kaolinite and iron oxide.

  • THE MINERALOGY OF GLAUCONITE

    Abstract The mineral in monomineralic glauconite pellets is an iron-rich mixed-layer illite-smectite (here called glauconite), often composed almost entirely of illite layers. The nature of the interlayering is closely analagous to that of aluminous illite smectite and varies with the proportions of the layer types: >30 per cent smectite, randomly interstratified; 15 30 per cent smectite

  • Corrosionpedia What is Glauconite? Definition from

    Glauconite is a mineral consisting of hydrous silicates of iron and potassium. Glauconite is dull green in color. It has the consistency and feel of chalk; it breaks apart very easily upon contact. Glauconite is commonly found in sandstone and limestone and is a member of the mica group of minerals.

  • Glauconite Sandatlas

    Glauconite is a green-colored mineral. It is structurally similar to micas and is sometimes considered to be one of the mica minerals. Despite that it appears usually in rounded ill-formed platelets which are not at all similar to typical flakes of common micas like muscovite and biotite. However, it still possesses perfect cleavage like other micas, we just don’t see it. Sometimes it is

  • Glauconite definition and meaning Collins English Dictionary


  • Glauconite Sandatlas

    Glauconite is a green-colored mineral. It is structurally similar to micas and is sometimes considered to be one of the mica minerals. Despite that it appears usually in rounded ill-formed platelets which are not at all similar to typical flakes of common micas like muscovite and biotite. However, it still possesses perfect cleavage like other micas, we just don’t see it. Sometimes it is

  • Glauconite definition and meaning Collins English


  • What is the meaning of Glauconite What Meaning Is

    What is the meaning of 'glauconite' Glauconite Scrabble Scrore 13 ( ) n a green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum; found in greensand . n. The green mineral characteristic of the greensand of the chalk and other formations. It is a hydrous silicate of iron and potash. See Greensand. 7 letter words made by unscrambling the letters in

  • Glauconie — Wikipédia

    Description. Grossièrement cristalline, la glauconite est généralement terreuse, ressemblant à de la chlorite, elle aussi verdâtre. Aspect : Opaque. Éclat mat. Couleur : Glauque, vert jaunâtre, vert olive à vert noirâtre (poussière verdâtre).. Formation. C’est un minéral d’altération diagénétique de la biotite ou de verre volcanique se formant en milieu marin peu profond, à

  • Illite Wikipedia

    Illite is a group of closely related non-expanding clay minerals. Illite is a secondary mineral precipitate, and an example of a phyllosilicate, or layered alumino-silicate.Its structure is a 2:1 sandwich of silica tetrahedron (T) alumina octahedron (O) silica tetrahedron (T) layers. The space between this T-O-T sequence of layers is occupied by poorly hydrated potassium cations which

  • Glauconite Definition of Glauconite by Merriam-Webster

    Glauconite definition is a mineral consisting of a dull green earthy iron potassium silicate occurring in greensand.

  • Définition glauconite Dictionnaire français Reverso

    Cherchez glauconite et beaucoup d’autres mots dans le dictionnaire de définition et synonymes français de Reverso. Vous pouvez compléter la définition de glauconite proposée par le dictionnaire de français Reverso en consultant d’autres dictionnaires spécialisés dans la définition de mots français : Wikipedia, Trésor de la langue française, Lexilogos, dictionnaire Larousse, Le

  • Glauconite Definition of Glauconite by Lexico

    What does glauconite mean? glauconite is defined by the lexicographers at Oxford Dictionaries as A greenish clay mineral of the illite group, found chiefly in marine sands.

  • Technologies for Agricultural Application of Glauconite

    The technologies for use of glauconite as a fertiliser have been developed on the following two routes: Beneficiation / Concentration of the mineral to make it viable for use as fertiliser. Lab scale technology has been reported to be developed by RRL Bhopal and some work done by others. Second route is to process the glauconite with some additives to make easy availability of low

  • [Wikipedia] Glauconite YouTube

    18/11/2017· Glauconite is an iron potassium phyllosilicate (mica group) mineral of characteristic green color with very low weathering resistance and very friable. It crystallizes with a monoclinic geometry

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