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单词 willemite
释义

willemite /wilˈə-mīt/

noun

Orthosilicate of zinc, Zn2SiO4, white when pure but commonly red, brown, or green through the presence of manganese or iron, noteworthy as exhibiting an intense bright yellow fluorescence in ultraviolet light

ORIGIN: Willem (William) I of the Netherlands
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更新时间:2024/12/22 18:09:10