spinelle
spi'nel,'spinәl
基本解释
n. [矿]尖晶石
英文释义
n. A mineral occuring in octahedrons of great hardness and
various colors, as red, green, blue, brown, and black, the red variety
being the gem spinel ruby. It consist essentially of alumina and
magnesia, but commonly contains iron and sometimes also chromium.
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