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.

黄长石的结构参数，按其化学钙铝黄长石和镁黄长石之变化，黄长石作为原始矿物相矿渣中比较罕见。

The main mineral compositions of the tilting defect are composed of calcium aluminate and gehlenite,and others are zirconia corudu...

聚集的大型夹杂物与下水口侵蚀后的脱落物有关。