國內 粘土鑛物의 特性硏究

Mineral identifications on halloysite in Hadong-Sancheong area and the halloysite bearing clay in Yeoju, Yesan and Hampyeong-Muan area are carried out by the methed of X-ray diffraction, electron microscopy and DTA. Chemical compositons of the above minerals are analysed by means of X-ray-fluorescence. Refractoriness are also measured by refractoriness tester. A standard diagram for quantitative analysis of halloysite is given.