单词 | schoepite |
释义 | schoepiten. Mineralogy. A mineral consisting of a hydrated uranium oxide which occurs as an alteration product of uranium ore, typically as yellow to brown tabular or prismatic crystals.Formula: (UO2)8O2(OH)12·12H2O (often altered by dehydration). Crystal system: orthorhombic. ΘΚΠ the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > other oxides > hydrated uranium oxides gummite1868 phosphorgummite1868 yttrogummite1879 schoepite1923 ianthinite1927 1923 T. L. Walker in Amer. Mineralogist 8 69 As this mineral appears to be quite distinct in optical and crystallographic properties from all known uranium minerals, the writer proposes to name it schoepite in honor of Professor Alfred Schoep, of the University of Ghent, who has contributed so much to our knowledge of the secondary uranium minerals from the Congo. 1965 Amer. Mineralogist 50 236 Crystals of schoepite commonly occur with an amber-brown core completely or partially surrounded by a derivative golden-yellow rim which retains the morphology of the original crystal. 2012 Science 9 Mar. 1186/3 Combining water and irradiated UO2 can result in uranyl oxyhydrate minerals, such as schoepite and studtite. This entry has been updated (OED Third Edition, June 2019; most recently modified version published online March 2022). < n.1923 |
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