The clay mineral talc, often known as talcum, is made up of hydrated magnesium silicate, which has the formula Mg3Si4O10 (OH)2. Baby powder is made of talc, which is typically mixed with corn starch. This mineral is used as a lubricant and thickener. Ceramics, paint, and roofing materials all contain it as a component. One of the best talc mines in the world, which are gaining attention Since there aren't many open , the majority of the soap must be extracted from deep mines. Chemical Specification: Talcum (90% +) Serpentine (High Asbestos)