铁橄榄石是硅酸盐矿物，是铁-镁橄榄石系列中的一种。棕色，在空气中易变成黑色。可作耐火材料。
该工艺将铁橄榄石转化为磁铁矿，大大提高了铁的回收率。
Iron recovery was greatly improved by transforming fayalite to magnetite.
含铁橄榄石石英正长岩，代表了岩浆分离结晶初期还原条件下，太古代母岩派生的初始岩浆组成。
Fayalite-bearing quartz syenite could represent the early fractional stage initial granitic magma derived from archean protolith in a deeper and reductive environment.
XRD 图谱表明，阴极材料结晶完整，为均一橄榄石型结构，仅含少量三价铁杂质。
XRD patterns showed that the cathode material is well-crystallized, homogeneous olivine-type phase, with only tiny trivalence iron impurities.
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