n.赤铁矿
=haematite.
It sensed a mineral called hematite that forms under wet conditions. 它也探测到了一种称作赤铁矿的，在潮湿环境中形成的矿藏。
Iron ores of greatest economic interest contain magnetite and hematite. 最具有经济价值的铁矿包括磁铁矿和赤铁矿。
