| 单词 | cobaltite |
| 例句 | Massive cobaltite has been found in small amount in the Botallack mine, Cornwall. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" Its chief ores are smaltite and cobaltite, which are arsenides of cobalt, with more or less iron, nickel, and copper. A Text-book of Assaying: For the Use of Those Connected with Mines. |
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