a blue mineral of magnesium and iron and aluminum and silicon and oxygen; often used as a gemstone
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High-purity low Cordierite is produced by sintering. 應用燒結法成功地合成了高純度低溫堇青石。
It was concluded that ceramic honeycomb of cordierite may be the most suitable catalyst carrier for vehicle tail gas purification. 認為堇青石陶瓷蜂窩狀載體是目前較為適合的汽車尾氣凈化催化劑載體。