ottreliten.

Brit.

/ˈɒtrəlʌɪt/, U.S.

/ˈɑtrəˌlaɪt/

Forms: 1800s otrelite, 1800s– ottrelite.

Origin: From a proper name, combined with an English element. Etymons: proper name Ottré , -lite comb. form¹.

Etymology: < Ottré (formerly also Ottrez ), the name of a village in Belgium + -lite comb. form¹. In sense 1 after German Ottrelith (Wolff 1812, in Neue Jahrbücher der Berg- u. Hüttenkunde 2 ii. 379). In sense 2 after French ottrélite (A. Descloizeaux & A. Damour 1842, in Ann. des mines 4th Ser. 2 357).

Mineralogy.

†1. = diallage n.² Obsolete. rare.

ΚΠ

1837 J. D. Dana Syst. Mineral. vi. 264 Schiller Spar... Otrelite... Spath-Chatoyant, Diallage Metalloide.

1896 A. H. Chester Dict. Names Minerals 196 Ottrelite, an obs. syn. of diallage.

2. A hydroxide and aluminosilicate of magnesium, ferrous iron, and manganese which occurs as greyish to black crystalline scales.Sometimes considered to be a variety of chloritoid, ottrelite has been found to consist of monoclinic and triclinic polymorphs.

ΘΚΠ

the world > the earth > minerals > types of mineral > silicates > nesosilicates > [noun] > others

ottrelite1843

orientite1921

kasolite1922

larnite1929

stillwellite1955

vuagnatite1976

1843 Geologist 2 197 The small discs of Ottrelite are disseminated profusely through all the transition strata of the above mentioned locality.

1859 F. L. M'Clintock Voy. ‘Fox’ 378 Boulders of black and red micaceous gneiss,..in which the crystals of mica (qu. Ottrelite) are just commencing to be developed.

1896 Amer. Naturalist 30 476 Ottrelite is often found enclosed in the talc and sometimes embedded in the saussurite.

1951 Science 5 Jan. 7/2 Minute metacrysts of ottrelite, biotite, and a white micaceous mineral are visible.

1978 Bull. Mineral. 101 548 A new chemical analysis of ottrelite from Ottré especially gives 12.79% MnO, 8.14% FeO and 4.46% Mg.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).

单词	ottrelite
释义	ottreliten. Brit. /ˈɒtrəlʌɪt/, U.S. /ˈɑtrəˌlaɪt/ Forms: 1800s otrelite, 1800s– ottrelite. Origin: From a proper name, combined with an English element. Etymons: proper name Ottré , -lite comb. form¹. Etymology: < Ottré (formerly also Ottrez ), the name of a village in Belgium + -lite comb. form¹. In sense 1 after German Ottrelith (Wolff 1812, in Neue Jahrbücher der Berg- u. Hüttenkunde 2 ii. 379). In sense 2 after French ottrélite (A. Descloizeaux & A. Damour 1842, in Ann. des mines 4th Ser. 2 357). Mineralogy. †1. = diallage n.² Obsolete. rare. ΚΠ 1837 J. D. Dana Syst. Mineral. vi. 264 Schiller Spar... Otrelite... Spath-Chatoyant, Diallage Metalloide. 1896 A. H. Chester Dict. Names Minerals 196 Ottrelite, an obs. syn. of diallage. 2. A hydroxide and aluminosilicate of magnesium, ferrous iron, and manganese which occurs as greyish to black crystalline scales.Sometimes considered to be a variety of chloritoid, ottrelite has been found to consist of monoclinic and triclinic polymorphs. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > nesosilicates > [noun] > others ottrelite1843 orientite1921 kasolite1922 larnite1929 stillwellite1955 vuagnatite1976 1843 Geologist 2 197 The small discs of Ottrelite are disseminated profusely through all the transition strata of the above mentioned locality. 1859 F. L. M'Clintock Voy. ‘Fox’ 378 Boulders of black and red micaceous gneiss,..in which the crystals of mica (qu. Ottrelite) are just commencing to be developed. 1896 Amer. Naturalist 30 476 Ottrelite is often found enclosed in the talc and sometimes embedded in the saussurite. 1951 Science 5 Jan. 7/2 Minute metacrysts of ottrelite, biotite, and a white micaceous mineral are visible. 1978 Bull. Mineral. 101 548 A new chemical analysis of ottrelite from Ottré especially gives 12.79% MnO, 8.14% FeO and 4.46% Mg. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < n.1837
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