betafiten.
/ˈbiːtəfʌɪt/ Mineralogy.
A niobate and titanate of uranium, etc.
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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
1912 Jrnl. Chem. Soc. 102 ii. 567 Radioactive Uraniferous Columbotantalotitanites from Pegmatites of Madagascar... Betafite, D 4·17, is dark green, and shows rudimentary cubic faces.
1921 Brit. Mus. Return 155 Minerals from..Madagascar (chrysoberyl, betafite, columbite, etc.).
This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2021).
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n.1912