‘A metaniobate (and tantalate) of yttrium with erbium, cerium, uranium, iron, calcium, etc.’ (Dana).
| 单词 | θ6760 |
| 释义 | the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > oxides of titanium, tantalum, nickel, or rare earths > fergusonite (4) fergusonite1827 ‘A metaniobate (and tantalate) of yttrium with erbium, cerium, uranium, iron, calcium, etc.’ (Dana). rutherfordite1851 A yellow-brown form of fergusonite, formerly regarded as a distinct variety. tyrite1855 A variety of, or mineral allied to, fergusonite, n. bragite1868 A variety of fergusonite found in Norway and Sweden. |
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