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

赤铁矿是更为般钛铁矿型结构中。

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

山东省滨海砂矿以石英、锆英石、磁铁矿、砂金等为主,其次为贝壳、球石、钛铁矿、金红石等。