= rutile, n.; (occasionally also) = red tourmaline n.
单词 | θ6746 |
释义 | the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > rutile and uranite groups A02 > rutile (6) red schorl1794 = rutile, n.; (occasionally also) = red tourmaline n. titanite1796 Mineralogy. The mineral rutile, which consists of titanium dioxide. Obsolete. nigrine1805 A black variety of rutile containing iron. rutile1805 A typically black or reddish-brown mineral consisting of titanium dioxide, occurring as needle-like crystals. rutilite1805 Originally: †sphene (obsolete). In later use: rutile, or a synthetic form of this. ilmenorutile1861 A black variety of rutile containing iron, niobium, and tantalum. |
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