单词 | neighborite |
释义 | neighboriten. Mineralogy. An orthorhombic fluoride of sodium and magnesium, NaMgF3, which occurs as colourless to pink crystals, isostructural with perovskite. Also ( potassium neighborite), a similar mineral in which potassium replaces sodium. ΘΚΠ the world > the earth > minerals > types of mineral > halides > [noun] > other fluorides cryolite1800 yttrocerite1817 fluocerite1835 prosopite1854 pachnolite1866 thomsenolite1868 tysonite1880 hieratite1882 villiaumite1908 neighborite1961 1961 E. C. T. Chao et al. in Amer. Mineralogist 46 379 The mineral is named ‘neighborite’ in grateful acknowledgement of the continued friendly interest and helpfulness of Mr. Frank Neighbor, District Geologist of the Sun Oil Co. at Salt Lake City. 1961 E. C. T. Chao et al. in Amer. Mineralogist 46 380 Neighborite was first found as clusters of pink and brown rounded grains in a dark brown to grayish black dolomitic oil shale of the Green River formation of South Ouray, Utah. 1967 Doklady Earth Sci. 174 140/1 In the USSR neighborite was detected in alkalic metasomatite developed in the Western Urals from porphyry tuff and argillaceous carbonate sediments of Proterozoic age. 1971 Amer. Mineralogist 56 1520 Neighborite is synthesised from NaF and MgF2 via a eutectic solidification process in which the product is a two-phase mixture of NaF and NaMgF3. 1997 Mineral. Mag. 61 779 Compositional data are given for potassium neighborite, this mineral being the first recognized occurrence of a fluorine-based perovskite group mineral in a magmatic environment. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.1961 |
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