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单词 pseudorutile
释义

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pseudorutile
pseudorutile n.
Brit. /ˌs(j)uːdə(ʊ)ˈruːtʌɪl/
,
U.S. /ˌsudoʊˈruˌtil/
,
/ˌsudoʊˈruˌtaɪl/
Mineralogy a black or dark grey mineral which is a common alteration product of ilmenite occurring as thin plates and as intergrowths with ilmenite and rutile.Pseudorutile is an oxide of ferric iron and titanium, Fe2Ti3O9. Crystal structure: trigonal.
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
1966 G. Teufer & A. K. Temple in Nature 9 July 180/1 As a result of an investigation of several altered ilmenite concentrates by X-ray techniques hitherto not applied to this problem, a new crystalline phase has been identified as a major constituent of altered ilmenite... We propose the name ‘pseudorutile’ for this new mineral.
1975 Amer. Mineralogist 40 905/2 The electrochemical corrosion model is consistent with the pseudorutile composition being a stable alteration product of ilmenite in which all the iron is in the ferric state.
1997 Mineral. Mag. 61 234/2 The pseudorutile is a combination of goethite and rutile as an intergrowth structure.
extracted from pseudo-comb. form
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