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单词
coronadite
释义
coronadite
coronadite
[
‚kȯr·ə′nä‚dīt
]
(mineralogy)
Pb(Mn
2+
,Mn
4+
)
8
O
16
A black mineral consisting of a lead and manganese oxide, occurring in massive form with fibrous structure; an important constituent of manganese ore.
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更新时间:2025/11/21 12:10:19