ampangabeiten.

Brit.

/amˌpaŋɡəˈbeɪʌɪt/, U.S.

/ˌɑmˌpɑŋˈɡɑbiˌaɪt/,

/ˌɑmˌpɑŋɡəˈbeɪˌaɪt/

Origin: A borrowing from French. Etymon: French ampangabéite.

Etymology: < French ampangabéite (A. Lacroix 1912, in Compt. rend. hebd. de l'Acad. des Sci. 154 1044) < Ampangabe , the name of the site in Madagascar where the mineral was first discovered + -ite -ite suffix¹.

Mineralogy. Now rare or disused.

A mineral containing niobium, tantalum, and other metals, later identified as an altered form of samarskite.

ΘΚΠ

the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > oxides of titanium, tantalum, nickel, or rare earths > others

crichtonite1813

polymignite1826

warwickite1838

samarskite1849

adelpholite1859

guarinite1859

hielmite1861

tapiolite1868

sipylite1877

koppite1880

stibiotantalite1893

lewisite1895

mossite1898

neotantalite1903

priorite1907

arizonite1909

betafite1912

ampangabeite1913

ishikawaite1922

tanteuxenite1928

thoreaulite1934

simpsonite1937

priderite1951

irinite1955

obruchevite1955

lueshite1961

pseudo-ixiolite1963

wodginite1963

pseudorutile1966

armalcolite1970

1913 Mineral. Mag. 16 353 Ampangabeite... A tantalo-niobate (containing but little titanium) of uranium, iron, yttrium, &c., occurring..in pegmatite at Ampangabe, Madagascar.

1962 W. R. Barton Columbium & Tantalum (U.S. Bureau Mines Information Circular No. 8120) 21/1 Ampangabeite is various shades of brown, and has a hardness of 4.0 and a specific gravity of 3.36 to 4.64.

2005 Canad. Mineralogist 43 1291 It has been historically difficult to determine the exact nature of ‘viethofingite’, ‘hjelmite’ and ‘ampangabeite’; all are shown to be altered varieties of samarskite-group minerals.

This entry has been updated (OED Third Edition, September 2019; most recently modified version published online December 2021).

单词	ampangabeite
释义	ampangabeiten. Brit. /amˌpaŋɡəˈbeɪʌɪt/, U.S. /ˌɑmˌpɑŋˈɡɑbiˌaɪt/, /ˌɑmˌpɑŋɡəˈbeɪˌaɪt/ Origin: A borrowing from French. Etymon: French ampangabéite. Etymology: < French ampangabéite (A. Lacroix 1912, in Compt. rend. hebd. de l'Acad. des Sci. 154 1044) < Ampangabe , the name of the site in Madagascar where the mineral was first discovered + -ite -ite suffix¹. Mineralogy. Now rare or disused. A mineral containing niobium, tantalum, and other metals, later identified as an altered form of samarskite. ΘΚΠ the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > oxides of titanium, tantalum, nickel, or rare earths > others crichtonite1813 polymignite1826 warwickite1838 samarskite1849 adelpholite1859 guarinite1859 hielmite1861 tapiolite1868 sipylite1877 koppite1880 stibiotantalite1893 lewisite1895 mossite1898 neotantalite1903 priorite1907 arizonite1909 betafite1912 ampangabeite1913 ishikawaite1922 tanteuxenite1928 thoreaulite1934 simpsonite1937 priderite1951 irinite1955 obruchevite1955 lueshite1961 pseudo-ixiolite1963 wodginite1963 pseudorutile1966 armalcolite1970 1913 Mineral. Mag. 16 353 Ampangabeite... A tantalo-niobate (containing but little titanium) of uranium, iron, yttrium, &c., occurring..in pegmatite at Ampangabe, Madagascar. 1962 W. R. Barton Columbium & Tantalum (U.S. Bureau Mines Information Circular No. 8120) 21/1 Ampangabeite is various shades of brown, and has a hardness of 4.0 and a specific gravity of 3.36 to 4.64. 2005 Canad. Mineralogist 43 1291 It has been historically difficult to determine the exact nature of ‘viethofingite’, ‘hjelmite’ and ‘ampangabeite’; all are shown to be altered varieties of samarskite-group minerals. This entry has been updated (OED Third Edition, September 2019; most recently modified version published online December 2021). < n.1913
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