· The machinery for the primary reduction of talc rock does not differ essentially in various parts of the country. Crushing to about 1½ in. is usually done in jaw crushers of the Blake type, although for large production gyratory crushers might be used to advantage. Rolls or rotary crushers reduce these lumps to about ½ in.
· Talc Crushing Process. Big talc stones are fed to the jaw crusher evenly and gradually by vibrating feeder through a hopper for primary crushing. Jaw crusher is used in primary crushing station. It can crush talc into smaller sizes. Thus, these small talcs .