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。

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.

黄长构数，学成分是在钙铝黄长和镁黄长之间变，黄长作为原始矿物相在碱性矿渣中比较罕见。