| 单词 | bournonite |
| 释义 | bournonite /bawr"neuh nuyt', bohr"-, boor"-/, n. Mineral. a sulfide of lead, antimony, and copper, PbCuSbS3, occurring in gray to black crystals or granular masses. Also called cogwheel ore. [1795-1805; named after Count J. L. de Bournon (d. 1825), French mineralogist; see -ITE1] |
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