Augite, the most common pyroxene mineral (a silicate of calcium, magnesium, iron, titanium, and aluminum). It occurs chiefly as thick, tabular crystals in basalts, gabbros, andesites, and various other dark-coloured igneous rocks. It also is a common con
Pyroxene, any of a group of important rock-forming silicate minerals of variable composition, among which calcium-, magnesium-, and iron-rich varieties predominate. Pyroxenes are the most significant and abundant group of rock-forming ferromagnesian sili
pyroxene [ (a) A group of dark rock-forming silicate minerals, closely related in crystal form and composition and having the general formula: ABSi 2 O 6 , where A = Ca, Na, Mg, or Fe+ 2 , and B = Mg, Fe +2 , Fe + 3, Fe, Cr, Mn, or Al, with silicon sometimes replaced...
type of mineral, 1800; from Greekpyr"fire" (seepyro-) +xenos"stranger" (seexeno-). According to OED, so named in 1796 by Abbé Haüy, French mineralogist, "because he thought it 'a stranger in the domain of fire' or alien to igneous rocks." Related:Pyroxenic. ...
Any of a series of rock-forming minerals consisting of mixtures of calcium, sodium, magnesium, or iron silicates. Pyroxenes vary in color from white to dark green or black and are characterized by a rectangular-shaped cross section. They occur in igneous and metamorphic rocks. ...
英['paɪrɒksi:n] 美['paɪəɒkˌsin] 是什么意思 n. 辉石; 英英释义 pyroxene[ 'paiərɔksi:n, ,paiə'rɔ- ] n.any of a group of crystalline silicate mineral common in igneous and metamorphic rocks 学习怎么用 ...
2024 There was less of the mineral pyroxene and higher concentrations of magnesium in the rock. Laura Baisas, Popular Science, 8 Aug. 2024 See More Word History Etymology French pyroxène, from Greek pyr- + xenos stranger First Known Use 1800, in the meaning defined above Time Traveler ...
英文: Mineral constituents consist mainly of jadeite, aegirine-augite, magnesio-riebeckite, winchite, magnesio-hornblende, actinolite, quartz, albite, rutile and sphene.中文: 主要组成矿物爲硬玉、霓辉石、镁纳闪石、蓝透闪石、镁角闪石、阳起石、石英、钠长石、金红石和榍石。
Pyroxene—It represents the mineral form of aluminum-silicon oxides and are usually present in volcanic lavas and enterswater bodieswhen lava reaches the water system. Pyroxenes have the general formula XY(Si,Al)2O6, where X represents calcium (Ca), sodium (Na), iron (FeII), or magnesium...
包括辉石、易变辉石 、 和斜长石等火成岩, 来自于推积性的喷发. 互联网 展开全部 英英释义 Noun 1. any of a group of crystalline silicate mineral common in igneous and metamorphic rocks 行业词典 冶金学 辉石 化学 辉石 地质学 辉石[类]