Translation: from english

birnessite

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  • Birnessite — (Na0.3Ca0.1K0.1Mn4+Mn3+O4·1.5(H2O)) is an mineral oxide of manganese along with calcium, potassium and sodium. It has a dark brown to black color with a submetallic luster. It is also very soft, with a hardness of 1.5. Birnessite is formed by… …   Wikipedia

  • birnessite — noun A soft mineral, mostly containing manganese oxides, that occurs in manganese nodules …   Wiktionary

  • birnessite —    A cave mineral (Na,Ca)Mn7O14●3H2O [11] …   Lexicon of Cave and Karst Terminology

  • List of minerals A-B (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… …   Wikipedia

  • Бернессит — Бирнессит Формула (Na0.3Ca0.1K0.1)(Mn4+,Mn3+)2O4·1.5H2O Цвет от тёмно коричневого до чё …   Википедия

  • MANGANÈSE — Le manganèse (symbole Mn, numéro atomique 25) est un métal gris clair, brillant comme l’acier, avec des reflets rougeâtres. Il se situe en tête de la colonne VII A de la classification périodique et au centre de la série des éléments dits de… …   Encyclopédie Universelle

  • List of minerals — This is a List of minerals for which there are Wikipedia articles. Mineral variety names and mineraloids are to be listed after the valid minerals for each letter.For a complete listing (about 4,000) of all mineral names: List of minerals… …   Wikipedia

  • Axinite — – Deposit Topotype, France General Category Borosilicates Chemical formula …   Wikipedia

  • Manganese nodule — Polymetallic nodules, also called manganese nodules, are rock concretions on the sea bottom formed of concentric layers of iron and manganese hydroxides around a core. The core may be microscopically small and is sometimes completely transformed… …   Wikipedia

  • Rhodochrosite — from Sweet Home Mine, Alma, Colorado, USA General Category Mineral species …   Wikipedia

  • Manganese oxide — is a generic term used to describe a variety of manganese oxides and hydroxides. It may refer to[1]: Manganese(II) oxide, MnO Manganese(II,III) oxide, Mn3O4 Manganese(III) oxide, Mn2O3 Manganese dioxide, (manganese(IV) oxide), MnO2 Manganese(VII) …   Wikipedia

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