单词 | allanite |
释义 | allanite —allanitic /al'euh nit"ik/, adj. /al"euh nuyt'/, n. Mineral. a member of the epidote group, a silicate of calcium, cerium, aluminum, and iron, occurring chiefly in brown-to-black masses or prismatic crystals. [1835-45; named after Thomas Allan (1777-1833), English mineralogist; see -ITE1] |
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