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

1.赤铁矿是更为一般的钛铁矿型一个特的情况。

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

2.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。