Calculated mineral composition by chemical composition combined with X-ray powder diffraction analyses showed that the former generally consisted mainly of poorly-crystallized kaolinite and small amounts of illite and quartz, and the later contained well-
Calculated mineral composition by chemical composition combined with X-ray powder diffraction analyses showed that the former generally consisted mainly of poorly-crystallized kaolinite and small amounts of illite and quartz, and the later contained well-
含煤建造沉积型高岭土一般属铝高硅低型，钾含量低，钛含量明显偏高，矿物组成简单，高岭石含量＞95%，结晶度较好。