Abstract: Talc plays a very important role in the ceramic industry.A small amount of white talc in the ceramic body can reduce sintering temperature,improve product transparency,whiteness,mechanical strength and thermal stability of products,which makes it used widely and its price high.The black talc contains a certain amount of carbonaceous and shows black,so it is not often used in the industry and the price is low.The cost would be less if the black talc instead of white talc used in ceramic production.In this pa...