单词 | uralborite |
释义 | uralboriten. Mineralogy. A basic calcium borate, CaB2O4, occurring as colourless monoclinic crystals. ΘΚΠ the world > the earth > minerals > types of mineral > borates > [noun] > calcium borate hayesine1844 priceite1873 colemanite1884 pandermite1885 inyoite1914 meyerhofferite1914 ginorite1934 tertschite1953 nifontovite1961 nobleite1961 pentahydroborite1962 uralborite1962 1962 Amer. Mineralogist 47 1482 Uralborite occurs in radiating-fibrous aggregates of columnar crystals up to 0·5–0·7 cm. 1971 Soviet Physics: Crystallogr. 16 186/1 The description and investigation of a group of endogenic calcium metaborates: calciborite, korzhinskite, uralborite, nifontovite, frolovite, and pentahydroborite. 1977 Soviet Physics—Doklady XXII. 279/1 The most interesting feature of uralborite is the [B4O4(OH)8]4− ‘island’ groups..which are overlapped by the Ca deltadodecahedra forming a three-dimensional cationic skeleton. This entry has not yet been fully updated (first published 1986; most recently modified version published online September 2018). < n.1962 |
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