Talcum powder /soapstone powder talc is an important industrial mineral. \n\ntalc is valued for its extreme softness, smoothness, hrdrophobicity, high lubricating and hiding power and for its ability to absorb oil and grease. its resistance to heat, electricity and acids make it an ideal surface for lab counter tops and electrical switchboards. \n\nit is also an important filler material for paints, rubber and insecticides. even with all these uses, most people only know talc as the primary ingredient in talcum powder. \n