ilmenite

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

赤铁矿是更为一般钛铁矿结构中一个特殊情况。

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).

矿石矿物主要为锐钛矿，次有金红石和钛铁矿(±赤铁矿)，脉石矿物以石英为主，含一定闪石和黑云母(±石榴子石)。

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。