“medina quartzite”的概念、定义、翻译、参考文献-科学参考

单词	medina quartzite
释义	medina quartzite [mǝ`dē·nǝ `kwȯrt´sīt] ^MINERALOGY A variety of quartz containing 97.8% silica; melting point is about 1700°C.
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