Haematite is a special case of the more general ilmenite structure.

赤铁矿是更的钛铁矿型结构中个特的情况。

Quartz, zircon, magnetite, gold are major constituents of littoral placers in Shandong province, while shell, ballstone, ilmenite, rutile being secondary.

山东省滨海砂矿以英、英、磁铁矿、砂金等主,其次贝壳、球、钛铁矿、金红等。