n. [矿物]霞石（等于 nepheline）
1.The stones were considered to be the corrosion products of refractory materials due to the fact that they exhibit mullite or nephelite characteristics under the microscope and are rich in alumina.
结果表明，结石中富含铝，显微镜下可见莫来石与霞石等晶体特征，说明该玻璃中的透明结石来源于耐火材料侵蚀。
2.The stones were considered to be the corrosion products of refractory materials due to the fact that they exhibit mullite or nephelite characteristics under the microscope and are rich in alumina.
结果表明，结石中富含铝，显微镜下可见莫来石与霞石等晶体特征，说明该玻璃中的透明结石来源于耐火材料侵蚀。