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单词
richterite
释义
richterite
richterite
[
′rik·tə‚rīt
]
(mineralogy)
(Na,K)
2
(Mg,Mn,Ca)
6
Si
8
O
22
(OH)
2
A brown, yellow, or rose-red monoclinic mineral composed of basic silicate of sodium, potassium, magnesium, manganese, and calcium; a member of the amphibole group.
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更新时间:2025/3/1 13:12:16