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单词 coracite
释义 coracite Min.|ˈkɒrəsaɪt|
[f. κόραξ, κόρακ- raven + -ite.]
A variety of pitchblende, from Lake Superior.
1849Amer. Jrnl. Sc. Ser. ii. III. 117 On Coracite, a new ore of Uranium.1868Dana Min. (1880) 155 Coracite is probably pitchblende mixed with some gummite.
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更新时间:2024/12/22 11:29:26