英语词汇“pseudobrookite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

pseudobrookite n.

Brit.

/ˌs(j)uːdə(ʊ)ˈbrʊkʌɪt/

U.S.

/ˌsudoʊˈbrʊˌkaɪt/

[after German Pseudobrookit (A. Koch 1878, in Mineral. u. petrogr. Mittheilungen 1 350)] Mineralogy a rare black to reddish-brown mineral which resembles brookite and occurs in volcanic rocks as small tabular or acicular crystals.Pseudobrookite is an oxide of titanium and ferric iron, Fe₂TiO₅. Crystal system: orthorhombic.

ΚΠ

1878 Amer. Jrnl. Sci. 115 398 Pseudobrookite. Occurs in minute tabular crystals.

1971 I. G. Gass et al. Understanding Earth xvii. 255/1 The original titanomagnetite has been copnverted mainly to pseudobrookite (Fe₂TiO₅).

1996 European Jrnl. Mineral. 8 1027 The chemical composition of the glass forming inclusions in..pseudobrookite..indicates that the (Na + K)/Al ratio of the residual melts increased substantially during the cooling and crystallization of the magmas.

单词	pseudobrookite
释义	> as lemmas pseudobrookite pseudobrookite n. Brit. /ˌs(j)uːdə(ʊ)ˈbrʊkʌɪt/ , U.S. /ˌsudoʊˈbrʊˌkaɪt/ [after German Pseudobrookit (A. Koch 1878, in Mineral. u. petrogr. Mittheilungen 1 350)] Mineralogy a rare black to reddish-brown mineral which resembles brookite and occurs in volcanic rocks as small tabular or acicular crystals.Pseudobrookite is an oxide of titanium and ferric iron, Fe₂TiO₅. Crystal system: orthorhombic. ΚΠ 1878 Amer. Jrnl. Sci. 115 398 Pseudobrookite. Occurs in minute tabular crystals. 1971 I. G. Gass et al. Understanding Earth xvii. 255/1 The original titanomagnetite has been copnverted mainly to pseudobrookite (Fe₂TiO₅). 1996 European Jrnl. Mineral. 8 1027 The chemical composition of the glass forming inclusions in..pseudobrookite..indicates that the (Na + K)/Al ratio of the residual melts increased substantially during the cooling and crystallization of the magmas. extracted from pseudo-comb. form < as lemmas
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> as lemmas