2005/09/06 | 朱砂[Cinnabar]
类别(℃〖化学〗) | 评论(0) | 阅读(21) | 发表于 20:41
Cinnabar is the mineral name for mercuric sulfide, symbol HgS. It is the chief ore of mercury, and can occur in veins alone or in masses of shale, slate, or limestone.
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