| 单词 |
grahamite |
| 释义 |
grahamite2 Min.|ˈgreɪəmaɪt| [Named by Waitz in 1865, after the Messrs. Graham, in whose mine it was found: see -ite.] A bituminous compound of several hydrocarbons, similar to asphaltum.
1866Amer. Jrnl. Sci. XCII. 420 Wurtz has proposed the name Grahamite..for the pitch-black Albertite-like mineral of Virginia. 1880Libr. Univ. Knowl. VIII. 139 Grahamite is black, and has a variable luster. |

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