silicate+of+manganese

  • 71optical ceramics — Introduction       advanced industrial materials developed for use in optical applications.       Optical materials derive their utility from their response to infrared, optical, and ultraviolet light. The most obvious optical materials are… …

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  • 72Cymrite — General Category Phyllosilicate Chemical formula BaAl2Si2(O,OH)8·(H2O) Crystal symmetry Monoclinic Unit cell a …

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  • 73ALUMINIUM — Bien qu’il ne soit passé dans le domaine industriel qu’à la fin du XIXe siècle, après la découverte par Paul Louis Toussaint Héroult et Charles Martin Hall du procédé de fabrication par électrolyse, l’aluminium est devenu le premier des métaux… …

    Encyclopédie Universelle

  • 74VERRE — Les verres constituent un ensemble extrêmement varié de produits dont les propriétés sont innombrables. Celles ci dépendent fortement des traitements subis, thermiques notamment. Leur mise au point résulte aujourd’hui des progrès des… …

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  • 75Rhodochrosite — from Sweet Home Mine, Alma, Colorado, USA General Category Mineral species …

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  • 76Corium (nuclear reactor) — LFCM redirects here. For the airport, see List of airports by ICAO code: L. The Three Mile Island reactor 2 after the meltdown. Corium, also called fuel containing material (FCM) or lava like fuel containing material (LFCM), is a lava like molten …

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  • 77List of inorganic compounds — Tentative listing related to this page, inorganic compounds by element (presently under construction), as well as . This list is not necessarily complete or up to date ndash; if you see an article that should be here but isn t (or one that… …

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  • 78Vale (mining company) — Vale S.A. Type Sociedade Anônima Traded as BM F Bovespa …

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  • 79List of food additives — This is an alphabetical list of food additives. For related lists, see also: List of food additives, Codex Alimentarius and E number.: This article is incomplete. Please help by expanding it. List of food additive types* Acidity regulators * Anti …

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  • 80silica mineral — Any of the forms of silicon dioxide (SiO2), including quartz, tridymite, cristobalite, coesite, stishovite, melanophlogite, lechatelierite, and chalcedony. Various kinds of silica minerals have been produced synthetically. * * * Introduction… …

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