单词 | zirconite |
释义 | zirconiten. Mineralogy. The mineral zircon; esp. a greyish or brownish variety of this. ΘΚΠ society > occupation and work > materials > raw material > gem or precious stone > zircon > [noun] jargon1769 zircon1794 zirconite1806 hyacinth1879 Matura diamond1886 the world > the earth > minerals > types of mineral > silicates > nesosilicates > [noun] > zircon group > zircon jargon1769 zircon1794 zirconite1806 Matara diamond1807 malacon1854 hyacinth1879 lavenite1886 1806 S. Weston Werneria II. 64 Zirconit is of the colour of a clove-gilliflower, and at times of an hyacinthine red. 1811 tr. R. Chenevix Observ. Mineral. Syst. 31 This system..has not disturbed the union which Nature has established between zircon, hyacinth, and zirconite [Fr. zirconite], garnet and pyrope, quartz and iron-flint (eisenkiesel). 1850 J. D. Dana Syst. Mineral. (ed. 3) 379 Zirconite presents grayish or brownish tints, and is frequently rough or opaque. 1920 Foundry 15 Nov. 913/1 There are numerous commercial disadvantages..which must be overcome before the full refractory value of zirconite is developed. 2012 Jrnl. Coastal Res. 28 135/1 This factory mines and processes this beach sand for extracting rare earth minerals (zirconite, illuminite, etc.). Derivatives zircoˈnitic adj. rare of the nature of or containing zirconite. ΚΠ 1883 Trans. Amer. Inst. Mining Engineers 1882–3 11 361 He [sc. Rochet d'Hericourt] mentions Débrabume, a village of Choa, as built upon a bluff of ‘zirconitic syenite, containing argentiferous gold’. 2006 C. H. Sampaio et al. Characterization & Beneficiation Northeastern Brazilian Zircon 7/2 in www.researchgate.net (accessed 7 Oct.) The main contaminant minerals present in ZBC [= Zirconite B Concentrate] (0.03% of the zirconitic mass), are ilmenite, rutile, staurolite and monazite. This entry has been updated (OED Third Edition, March 2021; most recently modified version published online March 2022). < n.1806 |
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