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单词 ningyoite
释义

ningyoiten.

Brit. /ˈnɪŋɡjəʊˌʌɪt/, U.S. /ˈnɪŋɡjoʊˌaɪt/
Origin: From a proper name, combined with an English element; modelled on a Japanese lexical item. Etymons: proper name Ningyo , -ite suffix1.
Etymology: < the name of the Ningyo Pass in Tottori Prefecture, Japan (Japanese Ningyō Tōge, lit. ‘Doll Pass’), famous for its uranium mines + -ite suffix1, probably after Japanese ningyō-seki.
Mineralogy.
A translucent brown or brownish-green mineral which consists of a hydrated phosphate of calcium and uranium (usually with some cerium or other rare-earth elements), and belongs to the orthorhombic system.
ΘΚΠ
the world > the earth > minerals > types of mineral > phosphates > [noun] > uranium phosphates
uranite1793
autunite1852
torbernite1852
phosphuranylite1879
parsonsite1923
renardite1929
saléeite1934
sabugalite1951
ningyoite1959
1959 T. Muto et al. in Amer. Mineralogist 44 634 The new mineral, ningyoite, is named for the locality, Ningyo Pass.
1962 Mineral. Jrnl. 3 306 Ningyoite contains almost all the rare earths and their abundance ratio resembles that of apatite.
1970 Econ. Geol. 65 470 For the formation of ningyoite, fixation of much sulfur in comparison with carbonaceous matter should occur before the penetration of uranium-carrying solutions.
1994 Jrnl. Czech Geol. Soc. 39 267 Electron microanalyses indicate the existence of a continuous isomorphic series between ningyoite and brockite which is manifested by the unlimited mutual substitution of U and Th.
This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).
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n.1959
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