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红宝石

出自维基百科,自由个百科全书

红宝石,是刚玉个一种,主要成分是氧化铝(Al2O3),红色来自铬(Cr)。自然没铬个宝石是蓝色个蓝宝石

天然红宝石大多来自亚洲(缅甸、泰国搭斯里兰卡)、非洲搭澳大利亚,美国蒙大拿州搭南卡罗莱纳州也有部分生产。

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