1.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.

1.黄石参数，按其化学成分是在钙铝黄石和镁黄石之间变化，黄石始矿物相在碱性矿渣中比较罕见。