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宝石矿物
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tourmaline
碧玺
宝石级电气石。化学组成为(Na,K,Ca)(Al,Fe,Li,Mg,Mn)3(Al,Cr,Fe,V)6[BO3]3[Si6O18](OH,F)4。
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>无机化学>无机化学基本概念与无机化合物>释义
tourmaline
碧玺
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acoustic emission detection
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