A brownish-black mineral of the epidote group, consisting of a silicate of rare earth metals, aluminium, and iron.
| 单词 | θ6847 |
| 释义 | the world > the earth > minerals > types of mineral > silicates > epidote group > [noun] > allanite (6) allanite1810 A brownish-black mineral of the epidote group, consisting of a silicate of rare earth metals, aluminium, and iron. orthite1817 A silicate of cerium, iron, aluminium, and other metals, occurring as elongated crystals and now regarded as a variety of allanite. bucklandite1824 A variety of allanite or the related mineral epidote. tautolite1828 = allanite, n. xanthorthite1868 a yellow variety of orthite. pumpellyite1925 A mineral, or group of minerals resembling epidote in structure, which occur as colourless, greenish, or brown crystals and are characteristic of… |
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