单词 | willemite |
释义 | Word Frequency willemite(ˈwɪləˌmaɪt) noun a secondary mineral consisting of zinc silicate in hexagonal crystalline form. It is white, colourless, or coloured by impurities and is found in veins of zinc ore. Formula: Zn2SiO4 Word origin C19: from Dutch willemit, named after Willem I of the Netherlands (1772–1843) |
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