pyroxene group

pyroxene group
辉石组

English-Chinese geology dictionary (英汉地质大词典). 2013.

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  • pyroxene group — noun : a group of silicate minerals closely related in crystal form and having the general formula ABSi2O6 where A represents usually Ca or Na and B is usually Mg, Fe, or Al that includes the orthorhombic species enstatite and hypersthene and… …   Useful english dictionary

  • Pyroxene — Pyr ox*ene, n. [F. pyrox[ e]ne, from Gr. ? fire + ? a stranger; so called because it was supposed to the be a stranger, or of rare occurrence, in igneous rocks,] (Min.) A common mineral occurring in monoclinic crystals, with a prismatic angle of… …   The Collaborative International Dictionary of English

  • pyroxene — pyroxenic /puy rok sen ik/, adj. /puy rok seen, peuh , puy rok seen /, n. any of a very common group of minerals of many varieties, silicates of magnesium, iron, calcium, and other elements, occurring as important constituents of many kinds of… …   Universalium

  • Pyroxene — Figure 1: A sample of pyroxenite, a rock consisting mostly of pyroxene minerals. The pyroxenes are a group of important rock forming inosilicate minerals found in many igneous and metamorphic rocks. They share a common structure consisting of… …   Wikipedia

  • pyroxene — [pī räk′sēn΄] n. [Fr pyroxène < Gr pyr, FIRE + xenos, stranger: from its being foreign to igneous rocks] any of a group of monoclinic or orthorhombic silicate minerals usually containing iron or magnesium but not the hydroxyl radical, and… …   English World dictionary

  • pyroxene — noun Etymology: French pyroxène, from Greek pyr + xenos stranger Date: 1800 any of a group of igneous rock forming silicate minerals that contain calcium, sodium, magnesium, iron, or aluminum, usually occur in short prismatic crystals or massive… …   New Collegiate Dictionary

  • pyroxene — noun /paɪˈrɒksiːn,ˈpaɪrɒkˌsiːn/ any of a group of crystalline minerals containing silicates of iron, magnesium and calcium …   Wiktionary

  • pyroxene — paɪ rÉ‘ksɪlɪn / rÉ’k n. group of common minerals that are components of most types of rock …   English contemporary dictionary

  • pyroxene — py•rox•ene [[t]paɪˈrɒk sin, pə , ˈpaɪ rɒkˌsin[/t]] n. mir any of a group of silicate minerals whose silica tetrahedra are arranged in single chains, usu. with ions of magnesium, iron, and calcium in between, and that constitute many igneous rocks …   From formal English to slang

  • pyroxene — /ˈpaɪrɒksin / (say puyrokseen) noun a very common group of minerals of many varieties, silicates of magnesium, iron, calcium, and other elements, occurring as important constituents of many kinds of rocks, chiefly igneous. {French, from Greek… …  

  • pyroxene — n. any of a group of minerals commonly found as components of igneous rocks, composed of silicates of calcium, magnesium, and iron. Etymology: PYRO + Gk xenos stranger (because supposed to be alien to igneous rocks) …   Useful english dictionary

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