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单词 taaffeite
释义 taaffeite Min.|ˈtɑːfaɪt|
[f. the name of Edward Charles Richard Taaffe (1898–1967), Bohemian-born Irish gemmologist + -ite1.]
A mauve gemstone similar to spinel, having the composition BeMgAl4O8 and a hexagonal crystal structure.
1951B. W. Anderson in Gemmologist XX. 76/2 One of the ‘spinels’ gave a rather high refractive index reading and seemed to show double refraction... The second ‘Taaffeite’ was found!1951― & Claringbull in Mineral. Mag. XXIX. 765 The new mineral..has been named taaffeite in honour of its discoverer.1967Rocks & Minerals XLII. 803/1 The world's fourth known cut taaffeite was discovered in August of this year.1974Jrnl. Gemmology XIV. 104 The discovery of the new gem mineral Taaffeite reads like a gemmological fairy tale.
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