Talcum Powder, Asbestos and Mesothelioma | .
Talc and Talcum Powder. Talc, like asbestos, is a natural mineral. It is one of the softest of all minerals and can be easily crushed into a fine powder that has certain desirable properties. Talc has industrial uses, and people exposed to it through mining or other work involving talc, may be at risk for certain cancers.