天气预报 > 其他 > 尖晶石的颜色有哪些种类呢
尖晶石的颜色有哪些种类呢
更新时间: 2020-11-24 00:00:00  

尖晶石的颜色是多种多样的,有无色、粉红色、红色、紫红色、黄色、蓝色、天蓝色、褐色和绿色等。呈现不同的颜色,与其化学成分有关,如含有Cr3+则呈现红色;含Fe2+呈现蓝色;含少量Fe3+呈现绿色;含Fe3+呈现褐色;Fe2+和Cr3+综合作用产生红褐色和紫色;含Zn2+常现蓝色;含CO2+则呈现天蓝色。尖晶石具玻璃光泽,透明至半透明。折射率通常为1.718,色散为0.02。尖晶石具较好的韧性,常有矿物包裹体出现,主要为小的尖晶石和磁铁矿,有时也有似针状形态的刚玉和金红石包裹体。

关键词: 颜色 哪些 种类

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