1.The main mineral compositions of the tilting defect are composed of calcium aluminate and gehlenite,and others are zirconia corudu...
聚集大型夹杂物与下水口侵蚀后脱落物有关。
2.Depending on the chemical composition the structural parameters of the melilite vary in the range between gehlenite and mernite.Melilitic separation and melilite as a primary phase are very rare.