صناعة الصلصال من المنزل

Clay is a type of rock with very small grains, less than 0.005 millimeters in diameter, and consists of a group of minerals and organic materials, and quartz is the majority of them. Clay has plastic properties when it is wet, and becomes hard and hard when it dries. [1] The erosion of rocks (especially rocks that contain feldspar, which is the basis of clay) over a long time. 2