Ottrelite Ot"trel*ite, n. [From Ottrez, on the borders of Luxembourg.] (Min.) A micaceous mineral occurring in small scales. It is characteristic of certain crystalline schists. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Ottrelite — General Category Nesosilicate Chemical formula (Mn,Fe,Mg)2 …   Wikipedia

  • ottrelite — /o treuh luyt /, n. Mineral. a brittle mica containing manganese and similar to margarite in physical and chemical properties. [1835 45; < F ottrélite, named after Ottrez, Belgium, where it is found; see LITE] * * *       manganese rich variety… …   Universalium

  • ottrelite — ˈä.trəˌlīt noun ( s) Etymology: French ottrélite, from Ottrez, Belgium, its locality + French lite : a gray to black mineral occurring in small scales in certain schists and being a variety of chloritoid …   Useful english dictionary

  • ottrelite — noun A form of the mineral chloritoid …   Wiktionary

  • ottrelite — ot·tre·lite …   English syllables

  • ottrelite-slate — ottˈrelite slate noun A clay slate with minute plates of ottrelite • • • Main Entry: ↑ottrelite …   Useful english dictionary

  • List of minerals N-R (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

  • chloritoid — ▪ mineral       common silicate mineral, a basic aluminosilicate of manganese, magnesium, and iron. Once thought to be a member of the brittle mica group, chloritoid has been demonstrated to be structurally different; it is further distinguished… …   Universalium

  • CHLORITOÏDES — Le nom des chloritoïdes provient de leur ressemblance avec les micas de la famille des chlorites, dont ils possèdent la couleur verte et les possibilités de clivages en fines lamelles. Les chloritoïdes sont des subnésosilicates: en plus des… …   Encyclopédie Universelle

  • Phyllite — Phyl lite, n. [See {Phylo }.] (Min.) (a) A mineral related to ottrelite. (b) Clay slate; argillaceous schist. [1913 Webster] …   The Collaborative International Dictionary of English

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