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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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