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Study on preparation of poly-silicic-ferric chloride sulfate using limonite .

用褐铁矿制备聚硅氯化硫酸铁的研究。

Pigment consisting of a limonite mixed with clay and silica .

由褐铁矿与粘土、硅土混合而成的颜料。

It is reveal that the new created flash magnetic roasting device had an obvious effect on roasting limonite .

可见新研制的闪速磁化焙烧装置对褐铁矿的焙烧效果是很显著的。

Supply each grade limonite in great quantities all the year round , magnetite .

持久大批量供给各品位褐铁矿,磁铁矿.

Their color is also hard jade crystal formation , just formed , often distributed in red layer above , is caused by limonite inoculated .

它们的颜色也是硬玉晶体生成后才形成，常常分布于红色层之上，是由褐铁矿浸染所致。