hematite

The iron oxides in rock crystals are specularite, hematite and lepidocrocite.

晶体中铁氧化物包裹体为镜铁矿、赤铁矿、纤铁矿。

The Ningxiang-type iron deposit in western Hubei is widely-spreading and of large-size and is characterized by hematite ooid.

鄂西宁乡式铁矿分广、规模大,普遍发育赤铁矿鲕粒。

The mineral assemplege of the deposit is composed of diaspore, kaolin, illite, chlorite, hematite, anatace and rutile with tourmaline, zircon, goyazite in less.

该矿的矿物组成为一水硬、高岭、伊利、绿泥,赤铁矿、锐钛矿和金红。此外,还有电气、锆英、锶矿等微量矿物。

For sinter with 25% and 50% MAC fines the iron oxides mainly consisted of hematite and magnetite, the bonding phase were mainly dicalcium silicate, glassiness, and a few amount of calcium ferrite.

配比为25%和50%的两种烧结矿中铁氧化物均以赤铁矿、磁铁矿为主，粘结相主要以铁酸钙、硅酸二钙和玻璃质为主，但铁酸钙数量不多。