ilmenite

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

赤铁矿是更一般的钛铁矿结构中一个特殊的情况。

2.The ore minerals are mainly anatase, subordinately rutile and ilmenite (±hematite), while the nonmetallic minerals are chiefly quartz with a certain amount of anthophyllite and biotite (±garnet).

矿矿物主要锐钛矿，次有金红和钛铁矿(±赤铁矿)，脉矿物以英主，含一定量的直闪和黑云母(±榴子)。

3.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、锆英、磁铁矿、砂金等主,其次贝壳、球、钛铁矿、金红等。