spinels

The exoplanet's atmosphere condenses out minerals such as enstatite, corundum, spinel, and wollastonite.

这颗系外行星大气冷凝后产生矿物，如：顽火辉、刚玉、和硅灰。

The development and application of raw minerals and products of spinels are also briefly introduced.

其它应用，如轴承及颜料等也取得了大发展。

It`s made from periclasite,magnesite aluminium spinel,chrome ore as raw material.

以方镁、镁铝、铬矿为主相耐火制品。

From all possible members of the spinel groups， hercynite and galaxite， were found to be the most efficient.

在所有可能矿族成员，铁铝和锰铝被发现是最有效(添加剂)。