As an industrial mineral, kyanite contains high Al2 O3 and very low Fe2O3 and has the feature of volume expansion during high-temperature separation.

• 本文研究了利用蓝晶石制作轻质莫来石耐火砖的可行性,并探讨了轻质莫来石耐火砖的基本原理及在烧成过程中的物相变化。