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

protolithionite n.

Brit.

/ˌprəʊtə(ʊ)ˈlɪθɪənʌɪt/

U.S.

/ˌproʊdoʊˈlɪθiəˌnaɪt/

[after German Protolithionit ( F. Sandberger Untersuchungen über Erzgänge (1885) II.169); so called because it was regarded as the oldest form of lithium-containing mica] Mineralogy a form of mica resembling zinnwaldite but containing more lithium and less iron.

ΘΚΠ

the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > mica > lepidolite > varieties

zinnwaldite1850

cryophyllite1866

polylithionite1884

protolithionite1892

1892 E. S. Dana J. D. Dana's Syst. Mineral. (ed. 6) vi. 627 Protolithionite, a lithium-iron mica from the granite of the Erzgebirge, Fichtelgebirge, etc. Color dark. Optically nearly uniaxial... Sandberger regards it as the source of the zinnwaldite, hence the name.

1959 Amer. Mineralogist 44 1297 It is a lithium-iron mica, closely related to zinnwaldite and containing a large amount of the protolithionite component of the lepidolite series.

1995 Econ. Geol. 90 578/2 Towards the margins of the batholith the proportion of muscovite increases, protolithionite becomes less abundant, and the grain size decreases.

单词	protolithionite
释义	> as lemmas protolithionite protolithionite n. Brit. /ˌprəʊtə(ʊ)ˈlɪθɪənʌɪt/ , U.S. /ˌproʊdoʊˈlɪθiəˌnaɪt/ [after German Protolithionit ( F. Sandberger Untersuchungen über Erzgänge (1885) II.169); so called because it was regarded as the oldest form of lithium-containing mica] Mineralogy a form of mica resembling zinnwaldite but containing more lithium and less iron. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > mica > lepidolite > varieties zinnwaldite1850 cryophyllite1866 polylithionite1884 protolithionite1892 1892 E. S. Dana J. D. Dana's Syst. Mineral. (ed. 6) vi. 627 Protolithionite, a lithium-iron mica from the granite of the Erzgebirge, Fichtelgebirge, etc. Color dark. Optically nearly uniaxial... Sandberger regards it as the source of the zinnwaldite, hence the name. 1959 Amer. Mineralogist 44 1297 It is a lithium-iron mica, closely related to zinnwaldite and containing a large amount of the protolithionite component of the lepidolite series. 1995 Econ. Geol. 90 578/2 Towards the margins of the batholith the proportion of muscovite increases, protolithionite becomes less abundant, and the grain size decreases. extracted from proto-comb. form < as lemmas
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> as lemmas