Mineral Composition analysis to the kaolin sample indicates that main impurities affecting its whiteness are iron-bearing minerals.

对泰国复杂高岭土矿样的物相分析表明影响其白度的主要杂质为含铁矿物。

youdao

Blue shows the signature of water, green shows the brightness of the surface as measured by reflected infrared radiation from the sun and red shows an iron-bearing mineral called pyroxene.

蓝色显示水的迹象，绿色表示月面反射红外辐射的强度，红色表示被称为辉石的含铁矿物。

youdao

In addition, a iron-rich chalcopyrite often existed in the gold-bearing ore is regarded as the indicator mineral of gold ore in some areas.

此外，本文还提到一种金矿石中经常存在的富铁黄铜矿，它可作为某些地区中金矿石的指示矿物。

youdao