Difference between Talc and Talcum

What is the difference between Talc and Talcum?

Talc as a noun is a soft mineral of a soapy feel and a greenish, whitish, or grayish color, usually occurring in foliated masses. while Talcum as a noun is powdered and perfumed talc for toilet use

We hope you now know whether to use Talc or Talcum in your sentence.