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单词 franklinite
释义 franklinite Min.|ˈfræŋklɪnaɪt|
[f. Franklin, New Jersey, where it is found + -ite.]
A compound of oxides of iron, manganese, and zinc, found in brilliant black crystals.
1820Amer. Jrnl. Sc. II. 323 The black zinciferous mineral, the Franklinite.1862Dana Man. Geol. 84 Franklinite, an iron-zinc ore.
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