how does talc become powder

Talcum Powder and Cancer - American Cancer Society- how does talc become powder ,Talcum powder is made from talc, a mineral composed mainly of the elements magnesium, silicon, and oxygen. It is widely used in cosmetic products such as baby powder and adult body and facial powders.Talcum Powder Lawsuit - Ovarian Cancer Class Action LawyerTalcum Powder Lawsuit. Talc products like Johnson's Baby Powder may increase the risk of ovarian cancer or mesothelioma. Learn what legal action you can take after a talc-related injury.