augiten.

Brit.

/ˈɔːdʒʌɪt/, U.S.

/ˈɔˌdʒaɪt/,

/ˈɑˌdʒaɪt/

Forms: 1800s augit, 1800s– augite.

Origin: Of multiple origins. Partly a borrowing from French. Partly a borrowing from German. Etymons: French augite; German Augit.

Etymology: < (i) French augite (1801), and its etymon (ii) German Augit (1792 or earlier; attributed to A. G. Werner) < classical Latin augītis , probably an inferior variety of turquoise (see augites n.). Compare earlier augites n.

Mineralogy.

As a mass noun: a mineral of the pyroxene group which occurs as dark green or black prisms, and is an important component of basic igneous rocks such as basalt and gabbro. Also as a count noun: a crystal or specimen of this mineral.Augite is a silicate of calcium, magnesium, and iron, Ca(Mg,Fe)Si₂O₆, often with a proportion of sodium and aluminium. Crystal system: monoclinic.

ΘΚΠ

the world > the earth > minerals > types of mineral > silicates > inosilicates single chain > [noun] > pyroxene > clinopyroxenes > augite

augite1802

green diallage1805

bronzite1816

maclureite1822

schillerite1863

titanaugite1907

1802 T. Thomson Syst. Chem. III. 505 Augite. Pyroxen of Hauy.—Volcanite of Delametherie.

1804 Philos. Trans. (Royal Soc.) 94 302 In many of the ancient lavas of Somma, large augites are imbedded.

1854 F. C. Bakewell Geol. 86 The solid volcanic rock lava, if it contain a large proportion of augite, becomes dark-coloured.

1897 A. Geikie Anc. Volcanoes Brit. I. 27 The bottom of the flow was thickly crowded with triclinic felspars and augites.

1940 F. F. Grout Kemp's Handbk. Rocks (ed. 6) i. 16 The chief rock-making pyroxenes are the dark aluminous, ferruginous ones, which are called augite, and these are among the most important of all dark minerals.

1977 J. E. Guest & R. Greeley Geol. on Moon iv. 51 By far the most abundant minerals in the lunar basalts are the pyroxenes, of which the two major varieties are pigeonite (low calcium) and augite (high calcium).

2013 Avenue (Univ. of Glasgow) June 6/2 We found evidence that the etch pits were created when water dissolved the olivine and augite.

This entry has been updated (OED Third Edition, September 2017; most recently modified version published online December 2021).

单词	augite
释义	augiten. Brit. /ˈɔːdʒʌɪt/, U.S. /ˈɔˌdʒaɪt/, /ˈɑˌdʒaɪt/ Forms: 1800s augit, 1800s– augite. Origin: Of multiple origins. Partly a borrowing from French. Partly a borrowing from German. Etymons: French augite; German Augit. Etymology: < (i) French augite (1801), and its etymon (ii) German Augit (1792 or earlier; attributed to A. G. Werner) < classical Latin augītis , probably an inferior variety of turquoise (see augites n.). Compare earlier augites n. Mineralogy. As a mass noun: a mineral of the pyroxene group which occurs as dark green or black prisms, and is an important component of basic igneous rocks such as basalt and gabbro. Also as a count noun: a crystal or specimen of this mineral.Augite is a silicate of calcium, magnesium, and iron, Ca(Mg,Fe)Si₂O₆, often with a proportion of sodium and aluminium. Crystal system: monoclinic. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > inosilicates single chain > [noun] > pyroxene > clinopyroxenes > augite augite1802 green diallage1805 bronzite1816 maclureite1822 schillerite1863 titanaugite1907 1802 T. Thomson Syst. Chem. III. 505 Augite. Pyroxen of Hauy.—Volcanite of Delametherie. 1804 Philos. Trans. (Royal Soc.) 94 302 In many of the ancient lavas of Somma, large augites are imbedded. 1854 F. C. Bakewell Geol. 86 The solid volcanic rock lava, if it contain a large proportion of augite, becomes dark-coloured. 1897 A. Geikie Anc. Volcanoes Brit. I. 27 The bottom of the flow was thickly crowded with triclinic felspars and augites. 1940 F. F. Grout Kemp's Handbk. Rocks (ed. 6) i. 16 The chief rock-making pyroxenes are the dark aluminous, ferruginous ones, which are called augite, and these are among the most important of all dark minerals. 1977 J. E. Guest & R. Greeley Geol. on Moon iv. 51 By far the most abundant minerals in the lunar basalts are the pyroxenes, of which the two major varieties are pigeonite (low calcium) and augite (high calcium). 2013 Avenue (Univ. of Glasgow) June 6/2 We found evidence that the etch pits were created when water dissolved the olivine and augite. This entry has been updated (OED Third Edition, September 2017; most recently modified version published online December 2021). < n.1802
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