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单词 crednerite
释义

credneriten.

Brit. /ˈkrɛdnərʌɪt/, U.S. /ˈkrɛdnəˌraɪt/
Origin: From a proper name, combined with an English element; modelled on a German lexical item. Etymons: proper name Credner , -ite suffix1.
Etymology: < the name of C. F. H. Credner (1809–76), German geologist and mineralogist, who conducted early research on this mineral + -ite suffix1, after German Crednerit (C. Rammelsberg 1849, in Ann. der Physik u. Chem. 74 562).
Mineralogy.
A grey-black mineral which is an oxide of manganese and copper and typically occurs as aggregates and coatings of thin plate-like crystals with a submetallic lustre.Chemical formula: CuMnO2. Crystal system: monoclinic.
ΘΚΠ
the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > other oxides > oxides of two elements
honey stone1792
bismuth-ochre1796
mellilite1796
melilithus1800
mellite1801
melilite1814
manganesite1823
heterocline1844
romeine1844
crednerite1849
roméite1849
whewellite1852
manganite1865
magnesioferrite1868
oxammite1870
molybdomenite1885
lautarite1892
tripuhyite1897
coronadite1904
hollandite1906
melanovanadite1921
quenselite1926
salesite1939
yttrotungstite1950
ordoñezite1953
1849 J. Nicol Man. Mineral. 424 Crednerite... Occurs in crystalline granular, foliated aggregates.
1905 W. H. Weed tr. R. Beck Nature of Ore Deposits II. 504 Owing to the rather abundant admixture of crednerite, the analysis of the ore shows..a large amount (7–24%) of manganese.
1923 Nature 21 July 117/2 Crednerite (CuO. Mn2O3) forms fanlike aggregates of thin plates.
2011 Materials Today Mar. 119/2 In spite of the crystallographic relationship with crednerite, the electronic structure of AgCuO2 was again different to what one would have thought.
This entry has been updated (OED Third Edition, March 2013; most recently modified version published online March 2022).
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n.1849
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