nonmetallic

1.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).

矿石矿要锐钛矿，次有红石和钛铁矿(±赤铁矿)，脉石矿以石英，一定量的直闪石和黑云母(±石榴子石)。