Which equipment is used for the coarse crushing of pebbles/river stones?
Density: Pebbles are actually a kind of sedimentary rock, mainly composed of minerals such as quartz, feldspar, and mica. Its density is generally between 2.5-2.7 g/cm³, which is a low-density mineral.
Shape: Pebbles are round in shape, resembling goose eggs, hence the name.