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方铅矿[Galena] [2005-10-3]
iamet 发表在 ℃〖化学〗
| | Galena is the mineral name for lead sulfide (PbS). It is the most important ore of lead, but often it contains amounts of silver, and in fact is mined for the silver content, in which case it is known as argentiferous galena. |
学好数理化，走遍天下都不怕！ | |
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