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n.藍線石...

dumortierite的音標：dumortierite的英式發(fā)音音標為：[dju:'m?:t??ra?t]dumortierite的美式發(fā)音音標為：[dju'm?ti??ra?t]...

A salt that is derived from both boric acid and acid and occurs naturally in dumortierite.'硼'.''''.'硅酸鹽'.''由''.'硼'. ''酸和硅酸反應而得的一種鹽,存在于自然界藍線石...