/kum"ing teuh nuyt'/, n.
an amphibole mineral, magnesium-iron silicate, similar in composition to anthophyllite but richer in iron.
[named after Cummington, Mass., where it is found; see -ITE1]

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      an amphibole mineral, an iron and magnesium silicate that occurs in metamorphic rocks. For chemical formula and detailed physical properties, see amphibole (table).

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Universalium. 2010.

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Look at other dictionaries:

  • Cummingtonite — Catégorie IX : silicates[1] …   Wikipédia en Français

  • cummingtonite — ● cummingtonite nom féminin (de Cummington, nom propre) Variété d amphibole ferromagnésienne monoclinique …   Encyclopédie Universelle

  • Cummingtonite — Cummingtonite …   Wikipedia

  • cummingtonite — noun A mineral, magnesium iron silicate hydroxide, (Mg,Fe)SiO(OH), originally discovered in Cummington, Massachusetts …   Wiktionary

  • cummingtonite — cum·ming·ton·ite …   English syllables

  • cummingtonite — ˈkəmiŋtəˌnīt noun ( s) Etymology: Cummington, Mass. + English ite : a mineral (Fe, Mg)7Si8O22(OH)2 consisting of an ironmagnesium amphibole isomorphous with anthophyllite …   Useful english dictionary

  • Cummingtonit — aus der Dannemora Mine, Uppsala Län, Uppland, Schweden Bildbreite 2,2 mm Chemische Formel (Mg,Fe2+)7[OH|Si4O11] …   Deutsch Wikipedia

  • amphibole — /am feuh bohl /, n. Mineral. any of a complex group of hydrous silicate minerals, containing chiefly calcium, magnesium, sodium, iron, and aluminum, and including hornblende, tremolite, asbestos, etc., occurring as important constituents of many… …   Universalium

  • amosite — /am euh suyt /, n. Mineral. an asbestine variety of anthophyllite, rich in iron, formerly used as a heat resistant material. [1915 20; A(sbestos) M(ine) o(f) S(outh Africa) + ITE1] * * * Variety of the silicate mineral cummingtonite, which is a… …   Universalium

  • Cummington, Massachusetts —   Town   Former Cummington Fire Department headquarters …   Wikipedia

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