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单词 jefferisite
释义 jefferisite Min.|ˈdʒɛfərɪsaɪt|
[Named 1866, after W. W. Jefferis, of Westchester, Pennsylvania: see -ite.]
A hydrous silicate of aluminium, iron, and magnesium, in foliated crystals, like mica, exfoliating in a remarkable manner when heated.
1866Amer. Jrnl. Sc. Ser. ii. XLI. 248 Jefferisite, a new mineral species.1890Ibid. Ser. iii. XL. 455 The analogies between kerrite and jefferisite are perfectly clear.
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