Talc Milling | Mineral | Industries | Hosokawa Micron ...
Talc is one of the softest minerals on earth, with a Mohs hardness of (defining mineral). However, some abrasive impurities (such as quartz or sand) may be present in the mined talc. It is typically in a foliated structure. Talc has natural dry lubrication properties. Talc also does not dissolve in water and has a high chemical stability.