| 单词 |
jeffersonite |
| 释义 |
jeffersonite Min.|ˈdʒɛfəsənaɪt| [Named 1822, after President Jefferson: see prec. and -ite.] A greenish-black variety of pyroxene, containing some zinc and manganese.
1822Amer. Jrnl. Sc. V. 402 Jeffersonite..has a great resemblance to pyroxene. 1852Shepard Min. 199 Jeffersonite..abounds in iron and manganese. |

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