Figure 2. The XRD pattern of kaolin powder [18]

From

Influence of Grog Size on the Performance of NSU Clay-Based Dense Refractory Bricks

Adindu C. Iyasara, Ekenyem C. Stan, Okafor Geoffrey, Moses Joseph, Nwabuna Nwokedi Patrick, Nnachi Benjamin

American Journal of Materials Science and Engineering. 2016, 4(1), 7-12 doi:10.12691/ajmse-4-1-2